change to HTTP url and fix formatting

Author: schacon

book/11-git-internals/sections/refspec.asc

@@ -6,15 +6,15 @@ Suppose you add a remote like this:
 
 [source,shell]
 ----
-$ git remote add origin git@github.com:schacon/simplegit-progit.git
+$ git remote add origin https://github.com/schacon/simplegit-progit
 ----
 
 It adds a section to your `.git/config` file, specifying the name of the remote (`origin`), the URL of the remote repository, and the refspec for fetching:
 
 [source,ini]
 ----
 [remote "origin"]
-	url = https://github.com/schacon/simplegit-progit.git
+	url = https://github.com/schacon/simplegit-progit
 	fetch = +refs/heads/*:refs/remotes/origin/*
 ----
 
@@ -70,9 +70,9 @@ If you want to always fetch the master and experiment branches, add two lines:
 [source,ini]
 ----
 [remote "origin"]
-			 url = git@github.com:schacon/simplegit-progit.git
-			 fetch = +refs/heads/master:refs/remotes/origin/master
-			 fetch = +refs/heads/experiment:refs/remotes/origin/experiment
+	url = https://github.com/schacon/simplegit-progit
+	fetch = +refs/heads/master:refs/remotes/origin/master
+	fetch = +refs/heads/experiment:refs/remotes/origin/experiment
 ----
 
 You can't use partial globs in the pattern, so this would be invalid:
@@ -88,9 +88,9 @@ If you have a QA team that pushes a series of branches, and you want to get the
 [source,ini]
 ----
 [remote "origin"]
-			 url = git@github.com:schacon/simplegit-progit.git
-			 fetch = +refs/heads/master:refs/remotes/origin/master
-			 fetch = +refs/heads/qa/*:refs/remotes/origin/qa/*
+	url = https://github.com/schacon/simplegit-progit
+	fetch = +refs/heads/master:refs/remotes/origin/master
+	fetch = +refs/heads/qa/*:refs/remotes/origin/qa/*
 ----
 
 If you have a complex workflow process that has a QA team pushing branches, developers pushing branches, and integration teams pushing and collaborating on remote branches, you can namespace them easily this way.
@@ -112,9 +112,9 @@ If they want Git to do that automatically each time they run `git push origin`,
 [source,ini]
 ----
 [remote "origin"]
-			 url = git@github.com:schacon/simplegit-progit.git
-			 fetch = +refs/heads/*:refs/remotes/origin/*
-			 push = refs/heads/master:refs/heads/qa/master
+	url = https://github.com/schacon/simplegit-progit
+	fetch = +refs/heads/*:refs/remotes/origin/*
+	push = refs/heads/master:refs/heads/qa/master
 ----
 
 Again, this will cause a `git push origin` to push the local `master` branch to the remote `qa/master` branch by default.