Fix LatinIME crashing if JNI lib without gesture support is installed.

Change-Id: I60292a8e272d484e1d4a4407ddceeac863d6d70e
LatinIME: Adjust hint color

- Based on: http://review.cyanogenmod.org/25391

Change-Id: I5a15e2608d04fe3187101a5671998b6b03ed5317
LatinIME: Fix one more merge conflict.

Symblol more_keys_for_currency_general shoud be renamed to
more_keys_for_currency_generic.

Change-Id: I943e4022c9b338fa4f2377386582dc3c86bd42d1