Clean up

Remove unused dimens

Change-Id: I711790705e949323aaa5331d33f7bbaaa53ac289
Clean up part 2

check for radio before drawing carrier label

Change-Id: I461332b8daefd3d343058f2aa60ceebe662ab86c
better math, fixes touchhandling and angle functions

Change-Id: I9bc6f653bda00069d3db3cc272473f173980e5e0