Merge pull request #37 from tzafrir/master

Fix getActivities, support person's activities on top of circle's activities
Revise searchForString
Stop execution when status is false (numerous fixes)
Correct a comment (jsapi supports non-public posts for a while)
in newPost(), Return information about the post after posting
Use method's name in deleteComment
Add addComment api
Simplify my description
Add modify lock method
Add modify disabling comments API
Properly handle XHR errors
Updated core contributors

Forgot to place Tzafrir as core
Include raw media in parsePost
Annotate parsed post with more data
Merge branch 'master' of github.com:mohamedmansour/google-plus-extension-jsapi
Encode comment content
Use page token when adding comments
Add getCommunities
Add getCommunity
Support communities in newPost