Port Slim IME settings [2/2]

includes:

* force enter key instead of emoticon
* disable fullscreen keyboard on landscape
* force keyboard autorotation

credits to Lars aka kufikugel

Change-Id: Id709330ccdd32c1e6a2fb29977a5998d11ffef28
Merge branch 'kk' of github.com:TeamTREX/android_packages_apps_Settings into kk