Merge branch 'develop' into topic/ExperimentOnDocumentation

Conflicts:
	ReadMe.md
	doc/ChangeLog.md
	doc/ReferenceOfApis.md
	doc/ReferenceOfClasses.md
	github/AuthenticatedUser.py
	github/Authorization.py
	github/CommitComment.py
	github/ContentFile.py
	github/Download.py
	github/Gist.py
	github/GistComment.py
	github/GitRef.py
	github/Github.py
	github/Hook.py
	github/Issue.py
	github/IssueComment.py
	github/Label.py
	github/Milestone.py
	github/PullRequest.py
	github/PullRequestComment.py
	github/Repository.py
	github/RepositoryKey.py
	github/Team.py
	github/UserKey.py
	setup.py

github/RepositoryKey.py

@@ -74,7 +74,7 @@ class RepositoryKey(github.GithubObject.GithubObject):
         :calls: `DELETE /repos/:user/:repo/keys/:id <http://developer.github.com/v3/todo>`_
         :rtype: None
         """
-        headers, data = self._requester.requestAndCheck(
+        headers, data = self._requester.requestJsonAndCheck(
             "DELETE",
             self.__customUrl,
             None,
@@ -95,7 +95,7 @@ class RepositoryKey(github.GithubObject.GithubObject):
             post_parameters["title"] = title
         if key is not github.GithubObject.NotSet:
             post_parameters["key"] = key
-        headers, data = self._requester.requestAndCheck(
+        headers, data = self._requester.requestJsonAndCheck(
             "PATCH",
             self.__customUrl,
             None,