Issue #604 - VisibilityTest
task 378:  implement the methods of MkContent: 1) compareTo, 2) json, 3) patch
Issue #644 - Gist should be JsonPatchable
Issue #604 - VisibilityTest
Merge pull request #70 from jcabi/master

merge to my repo
Merge pull request #71 from lthuangiang/master

merge to my repo
Issue #644 - Gist should be JsonPatchable
Signed-off-by: ahmedxx <zertazert@hotmail.fr>
Merge remote-tracking branch 'upstream/master' into puzzle_378

Conflicts:
	src/main/java/com/jcabi/github/mock/MkContent.java
Merge pull request #649 from ahmedxx/puzzle_378

#649: pull request task 378:  implement the methods of MkContent: 1) compareTo, 2) json, 3)...
Issue #604 - VisibilityTest
Issue #604 - VisibilityTest
Merge pull request #631 from carlos-a-crespo/issue-604

#631: pull request Issue #604 - VisibilityTest
Merge pull request #672 from lthuangiang/644

#672: pull request Issue #644 - Gist should be JsonPatchable
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into 658