Replace all new Date().getTime() to Date.now().
Merge pull request #113 from mozilla-services/fix-getTime

Replace all new Date().getTime() with Date.now().
Bug 1015085 - Loop server - Implement User Calls Other User by ID flow. r=alexis
Merge pull request #112 from ferjm/bug1015085.callbyid

Bug 1015085 - Loop server - Implement User Calls Other User by ID flow. ...
Merge branch 'master' into bug/1024007-503-middleware

Conflicts:
	loop/headers.js
	loop/index.js
Rework tests for the returnUserCallTokens function