wrap adapter.js in iefe
added iife around webrtc.js
converted all relevant files in WebRTC folder to iifes
Merge pull request #48 from Gabs00/deglobal

Deglobal files in webrtc
added mini and concat to grunt (grunt build)
changed build folder
Merge pull request #49 from Digikid13/master

added mini and concat to grunt (grunt build)