Merge pull request #3 from hkjellander/origin/kjellander

Inflating the AppRTCGLView from XML instead of code.
Use high-resolution launcher icon.
Merge pull request #4 from hkjellander/icon_hdpi

Use high-resolution launcher icon.
Merge pull request #5 from hkjellander/origin/kjellander

Disconnect button (early stage).
Remove AppRTCGLView.

Instead, calling setSystemUiVisibility for the activity and not the
GL view. Using layouts that have been committed earlier it seems like we
don't have the need for using setMeasuredDimension either.
Merge pull request #6 from hkjellander/remove_apprtc_glview

Remove AppRTCGLView.
Connect activity instead of AlertDialog.