Disable hardware keys

Force it to use the navigation bar instead.  To make this more
usable, also turn off the backlight of the buttons.

Change-Id: Id86678100c256e173b82aa853a5f75cfc7350a4f
cleanup more inline with cm
without the proprietary-files.txt we can't really use these for now
dlx: Fix kernel path
Merge pull request #1 from VigorCM/cm-10.1-chad

dlx: Fix kernel path
updates from m7
updates
updates for wfd
Merge pull request #35 from Joelz9614/cm-10.1-chad

tree cleanup
bulk update of m7 changes from ethan chen (intervigil)
fix low latency device numbers for new entries
updates for boardconfig cleanup of kernel section needs kernel commits too
neon vfp4 optimizations
Merge branch 'cm-10.1-chad' of https://github.com/Joelz9614/android_device_htc_dlx into HEAD
dlx: Set primary storage device

Change-Id: I4f9585ce64dd59c16849a018dd223c5d658da395
Merge branch 'joelz' into cm-10.1-chad
Merge remote-tracking branch 'CM10DNA/cm-10.1-chad' into aokp-jb-mr1