Update sapphire keylayout

Removed non-existent keys

Change-Id: I49b7cdc2c186cfffc40e76cda4f52f4c24562c25
Fix product identification

build.{device}.prop doesn't appear to work anymore, so set these product identifiers in init.{device}.rc

Change-Id: I1a27b42dcb6e308b0d9dd92db50b9c490e3c6410
Merge branch 'ics' of https://github.com/UnitedDev/android_device_htc_dream_sapphire into ics