Merge pull request #27 from ivanStraltsou/dev

rest routes fixes added
Finished News adding editing, updated to new MongoDB REST
Added sort to news
Added link from News to User model. Populate News object by User model data
News section updated, news save, create and delete.
Fixed put of news
Deleted unnecessary code for date from server
Changed PMC authentication and using PMC from server.js
Added check session before POST, PUT and DELETE requests
data splited
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	pmc-api.js
users search fixes added