latinime: Add "more" keys to ALL the keys

 * I'm in ur productivity, increasin' it.

Change-Id: I688bed9c3db7ef8d2c9dd5e4af72a65eb7f37966
LatinIME: Add fallback loader for JNI lib

Prefer the JNI lib with gesture typing support.
If not available / installed fall back to the standard one without
geture typing.

Change-Id: I70a5f43386a9c72809a70bd286f3702378d6f9be
LatinIME: Only enable gesture mode if gesture lib is available

 * Prevents keyboard FC when gapps is not loaded.

Change-Id: I0d48e1cd80534513205f61913c798b48573ea38c
LatinIME: Add "more" keys to ALL the keys in Greek layouts

Change-Id: I120e7b94abd71baf24c97afbd20cf2c6c76df6ef