Added rest to TT through mongo

Was used the url from previous rest (It will be changed)
pmc-api replaced, pmc module dependency removed, basic users search  added
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	server.js
Changed urls in the earlier added REST to new one

Format of URL:
/api/techtalks/reset
/api/techtalks?from=2013/9/1&to=2013/9/30
/api/techtalk?id=2
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	server.js
Verified and fixed some issues for TT REST (DONE)
Added tags to mongo
add paginator to calendar-controller.js
delete console.log
Added News to mongo and to Rest
merge
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	server.js
talks rest api fixes, application promise configured
Merge branch 'dev' of https://github.com/sandbox-team/techtalk-portal into dev
Merge pull request #25 from ivanStraltsou/dev

migration to db
Unfinished changes to news section.
user search improved
cleanup
Merge pull request #26 from ivanStraltsou/dev

user search
Changes to work #2.