Merge pull request #25 from joseph-onsip/master

phonertc.js: extract video element DOM lookups into function
Merge pull request #26 from joseph-onsip/master

phonertc.js: getLayoutParams takes window scroll into account
Merge pull request #27 from joseph-onsip/master

PhoneRTCPlugin.java: preferISAC uses CRLF as line delimiter