Fix broken documentation links (#1828)

Author: zlondrej

README.md

@@ -4,7 +4,7 @@
 
 ## Getting Started
 
-We have a [tutorial](http://docs.servant.dev/en/stable/tutorial/index.html) that
+We have a [tutorial](http://docs.servant.dev/en/latest/tutorial/index.html) that
 introduces the core features of servant. After this article, you should be able
 to write your first servant webservices, learning the rest from the haddocks'
 examples.

doc/cookbook/file-upload/FileUpload.lhs

@@ -126,7 +126,7 @@ Content of "README.md"
 
 ## Getting Started
 
-We have a [tutorial](http://docs.servant.dev/en/stable/tutorial/index.html) that
+We have a [tutorial](http://docs.servant.dev/en/latest/tutorial/index.html) that
 introduces the core features of servant. After this article, you should be able
 to write your first servant webservices, learning the rest from the haddocks'
 examples.

servant-client-ghcjs/README.md

@@ -9,7 +9,7 @@ This guide assumes knowledge of servant. Reading its [documentation](http://docs
 ## Using servant-client-ghcjs
 `servant-client-ghcjs` should feel familiar if you've worked with `servant-client`.
 
-Take the following API (taken from the [Querying an API](http://docs.servant.dev/en/stable/tutorial/Client.html) section in the servant documentation)
+Take the following API (taken from the [Querying an API](http://docs.servant.dev/en/latest/tutorial/Client.html) section in the servant documentation)
 
 ```haskell
 {-# LANGUAGE DataKinds      #-}

servant-client-ghcjs/servant-client-ghcjs.cabal

@@ -9,7 +9,7 @@ description:
   This library lets you automatically derive Haskell functions that
   let you query each endpoint of a <http://hackage.haskell.org/package/servant servant> webservice.
   .
-  See <http://docs.servant.dev/en/stable/tutorial/Client.html the client section of the tutorial>.
+  See <http://docs.servant.dev/en/latest/tutorial/Client.html the client section of the tutorial>.
   .
   <https://github.com/haskell-servant/servant/blob/master/servant-client/CHANGELOG.md CHANGELOG>
 

servant-client/servant-client.cabal

@@ -7,7 +7,7 @@ description:
   This library lets you derive automatically Haskell functions that
   let you query each endpoint of a <http://hackage.haskell.org/package/servant servant> webservice.
   .
-  See <http://docs.servant.dev/en/stable/tutorial/Client.html the client section of the tutorial>.
+  See <http://docs.servant.dev/en/latest/tutorial/Client.html the client section of the tutorial>.
   .
   <https://github.com/haskell-servant/servant/blob/master/servant-client/CHANGELOG.md CHANGELOG>
 

servant-foreign/src/Servant/Foreign/Internal.hs

@@ -190,7 +190,7 @@ data ReqBodyContentType = ReqBodyJSON | ReqBodyMultipart
 --
 -- Every field containing @ftype@ will use the foreign type mapping specified via 'HasForeignType' (see its docstring on how to set that up).
 --
--- See https://docs.servant.dev/en/stable/tutorial/ApiType.html for accessible documentation of the possible content of an endpoint.
+-- See https://docs.servant.dev/en/latest/tutorial/ApiType.html for accessible documentation of the possible content of an endpoint.
 data Req ftype = Req
   { _reqUrl             :: Url ftype
   -- ^ Full list of URL segments, including captures

servant-http-streams/servant-http-streams.cabal

@@ -8,7 +8,7 @@ description:
   This library lets you derive automatically Haskell functions that
   let you query each endpoint of a <http://hackage.haskell.org/package/servant servant> webservice.
   .
-  See <http://docs.servant.dev/en/stable/tutorial/Client.html the client section of the tutorial>.
+  See <http://docs.servant.dev/en/latest/tutorial/Client.html the client section of the tutorial>.
   .
   <https://github.com/haskell-servant/servant/blob/master/servant-client/CHANGELOG.md CHANGELOG>
 

servant-server/README.md

@@ -6,4 +6,4 @@ This library lets you *implement* an HTTP server with handlers for each endpoint
 
 ## Getting started
 
-We've written a [tutorial](http://docs.servant.dev/en/stable/tutorial/index.html) guide that introduces the core types and features of servant. After this article, you should be able to write your first servant webservices, learning the rest from the haddocks' examples.
+We've written a [tutorial](http://docs.servant.dev/en/latest/tutorial/index.html) guide that introduces the core types and features of servant. After this article, you should be able to write your first servant webservices, learning the rest from the haddocks' examples.

servant-server/servant-server.cabal

@@ -8,7 +8,7 @@ category:           Servant, Web
 description:
   A family of combinators for defining webservices APIs and serving them
   .
-  You can learn about the basics in the <http://docs.servant.dev/en/stable/tutorial/index.html tutorial>.
+  You can learn about the basics in the <http://docs.servant.dev/en/latest/tutorial/index.html tutorial>.
   .
   <https://github.com/haskell-servant/servant/blob/master/servant-server/example/greet.hs Here>
   is a runnable example, with comments, that defines a dummy API and implements

servant-server/src/Servant/Server/Generic.hs

@@ -83,9 +83,6 @@ genericServer
 genericServer = toServant
 
 -- | Transform a record of endpoints into a @'ServerT' m@.
---
---  You can see an example usage of this function
---  <https://docs.servant.dev/en/stable/cookbook/generic/Generic.html#using-generics-together-with-a-custom-monad in the Servant Cookbook>.
 genericServerT
     :: GenericServant routes (AsServerT m)
     => routes (AsServerT m)