Updated homegenie client library and Android Studio project to work with latest release

fix to 'network on main thread' issue

updated code in order to use latest hg client lib; various fixes

migrated project to gradle

fixed null pointer exception when connection to server timeouts

fixed issues #11 #7 #4

server connection release/resume on app pause/resume;optimized UI update speed;fix typo in VoiceControl class

updated dependencies

Merge pull request #10 from Fmstrat/master

Fixed battery kill bug (continued 1s server hits when in background)

Updating Netty JAR for SSL support

Added SSL support

Removed deprecated HttpGet to replace with HttpRequest library

Fixed issue #6

Fixed bugs in Camera and Fibaro RGBW widgets. Also fixed some other minor bug.