cm: Update Amazon Kindle Fire 2nd Edition device maintainer

Change-Id: I2210cf621d24ecfb2747a53f9233952c567a814e
version: Remove dash from TARGET_VENDOR_RELEASE_BUILD_ID

This variable is used to build the fingerprint and description on
signed builds, and the dash can't go in there. Add it only when
constructing the final display version variable

Change-Id: I0736d3a88e5f9980c28e6e9afa7e2f9e2d23f815
Customize build