add ofToDouble to ofUtils. close #1489.
change ofSimpleApp to ofBaseApp in remaining examples. close #1521.
adds rawMsg send + receive, fixes tcp close
Merge pull request #1806 from arturoc/feature-tcprawmsg

ofxTCP: adds rawMsg send + receive, fixes tcp close
OFAndroid: adds multicast lock, necesary to enable multicast (needed on kindle)
OFAndroidSoundPlayer: fix for sounds being reloaded as stream when multiplay was activated
ofxAndroidUtils: multicast lock c++ interface
Merge pull request #1807 from arturoc/feature-androidfeatures

android multicast and soundplayer
Merge pull request #1808 from thiagohersan/fix-ofSimpleApp

change ofSimpleApp to ofBaseApp in remaining examples.
Merge pull request #1809 from thiagohersan/feature-ofToDouble

add ofToDouble to ofUtils. close #1489.