epicmtd: Enable WebGL by default

Change-Id: I6783b3fcd6fe483ed4a1b11729353ef3fdb1042c
Avoid conflicts with other s5pc110 devices' OMX libs.

Change-Id: I7d36a0f6d68a156d0dd3159c843e1dae5e775996
build libsensors only if target device is epicmtd

Change-Id: I7108420e36ea3631fb86076f41141a8c2a06bf4f
Stock handling of sym/.com key

sym key does stock symbol character picker
Fn+sym (.com) does www if no text entered yet,
or .com if text is already entered.

Fn+COMMA = TAB (\t)
Fn+1 = ` (backtick)

Required gerrit review has now passed:
http://review.cyanogenmod.com/#/c/18381/

Change-Id: I95bc5135f8483ee128b9240bd574a41872618e12
Update for releasetools change.

Change-Id: Iba3a32a3bc1aa04358c6b1ab72805abe4aeec5e4