Fix broken links (#1741)

Author: pnezis

_posts/2016-01-03-elixir-v1-2-0-released.markdown

@@ -112,6 +112,6 @@ These are great additions on top of the faster compilation times we have achieve
 
 With Rebar 3 gaining more adoption in the Erlang community, Mix is now able to fetch and compile Rebar 3 dependencies. This feature is currently experimental and therefore opt-in: if you have a Rebar 3 dependency, you can ask Mix to use Rebar 3 to compile it by passing the `manager: :rebar3` option. Once configured, Mix will prompt you to install Rebar 3 if it is not yet available.
 
-The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.2.0). Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.2.0). Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Happy coding!

_posts/2016-06-21-elixir-v1-3-0-released.markdown

@@ -282,6 +282,6 @@ By restricting hierarchies in favor of named setups, it is straight-forward for
 
 ## Summing up
 
-The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.3.0). Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.3.0). Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Happy coding!

_posts/2017-01-05-elixir-v1-4-0-released.markdown

@@ -129,6 +129,6 @@ It is also possible to install escripts and archives by providing a Git/GitHub r
 
 ## Summing up
 
-The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.4.0). Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.4.0). Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Happy coding!

_posts/2017-07-25-elixir-v1-5-0-released.markdown

@@ -175,4 +175,4 @@ Overall, using `@impl` has the following advantages:
 
 The full list of changes is available in our [release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.5.0). There are many other exciting changes, such as compiler enhancements that reduces compilation times by 10%-15% on averages. When taken into account with the compiler improvements in Erlang/OTP 20 itself, some applications have seen gains up to 30% in compilation times.
 
-Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.

_posts/2018-01-17-elixir-v1-6-0-released.markdown

@@ -153,4 +153,4 @@ The full list of changes is available in our [release notes](https://github.com/
 
 Work on Elixir v1.7 has already started. We still welcome developers to try out the [previously announced StreamData library](https://elixir-lang.org/blog/2017/10/31/stream-data-property-based-testing-and-data-generation-for-elixir/), that aims to bring data generation and property-based testing to Elixir. The other [features scheduled for v1.7 can be found in the issues tracker](https://github.com/elixir-lang/elixir/issues).
 
-Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+Don't forget to check [the Install section](/install.html) to get Elixir installed and our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.

_posts/2018-07-25-elixir-v1-7-0-released.markdown

@@ -153,4 +153,4 @@ We have also seen important developments in other areas not directly related to
 
 Finally, don't forget [ElixirConf US](https://elixirconf.com/) is coming soon, in Bellevue, WA, September 4-7. Last year my keynote focused on the last 5 years with Elixir. This year we are ready to look into the 5 years ahead.
 
-Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.

_posts/2019-01-14-elixir-v1-8-0-released.markdown

@@ -77,6 +77,6 @@ There is only one last major feature planned for upcoming Elixir versions, which
 
 During [my keynote at ElixirConf 2018 US](https://www.youtube.com/watch?v=suOzNeMJXl0), I talked about the next five years for Elixir and much of the emphasis is put on the community. Elixir was designed to be an extensible language and therefore the work on the language itself is meant to reduce with time, which we have seen in the last two releases. We trust the community to continue building on this solid foundation, bringing new challenges to the ecosystem and taking the language to new domains.
 
-Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Your turn. :)

_posts/2020-01-27-elixir-v1-10-0-released.markdown

@@ -165,6 +165,6 @@ Finally, this release also adds two new guards, `is_struct/1` and `is_map_key/2`
 
 To learn what else is new, you can read the [full release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.10.0).
 
-Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Have fun!

_posts/2020-10-06-elixir-v1-11-0-released.markdown

@@ -219,6 +219,6 @@ Finally, to bring visibility to the compiler tracking improvements described in
 
 For a complete list of all changes, see the [full release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.11.0).
 
-Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Have fun!

_posts/2021-05-19-elixir-v1-12-0-released.markdown

@@ -96,6 +96,6 @@ The `Code` module got a [`cursor_context/2`](https://hexdocs.pm/elixir/1.12/Code
 
 The EEx application has also been extended to provide metadata on text segments. This has enabled the Surface and Phoenix LiveView teams to implement [a new template language called HEEx](https://github.com/phoenixframework/phoenix_live_view/pull/1440), which validates both HTML and EEx. Finally, the `Registry` module supports the `:compressed` option, which is useful for GraphQL applications managing hundreds of thousands of subscriptions via [Absinthe](http://absinthe-graphql.org/).
 
-For a complete list of all changes, see the [full release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.12.0). Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](http://elixir-lang.orghttps://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
+For a complete list of all changes, see the [full release notes](https://github.com/elixir-lang/elixir/releases/tag/v1.12.0). Check [the Install section](/install.html) to get Elixir installed and read our [Getting Started guide](https://hexdocs.pm/elixir/1.16/introduction.html) to learn more.
 
 Have fun!