bring back vanir's keyboard initial commit

Change-Id: If55900a1e3009d765ecac612537770fb096fd814
Vanir: pwn the keyboard

since the keyboard is pretty ubiquitous in usage throughout the userbase
lets make some vanir improvements on it.

rename package
tag the spacebar
adjust config values
enable longpress spacebar to key space repeatedly
increase longpress timeout for better usability
make trails die a little faster
adjust basic layout for > sw600dp

Change-Id: I684b9e825901c4c2b28312a11dec5afa0dc8bfcb