check
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Add Comment Reply API to README
hook to updated fb_graph-mock, include specs for comment reply, fetch and reply!
update node to handle string only response from api call
fetch can_comment field through object and add reply! method for comments connections
Merge remote-tracking branch 'tmlee/feature/comment_replies'
modify fb_graph-mock dependency & update comment.reply! returns comment object, instead of comment id

ref #324