Revert "Buttons: Prevent toggling disable hardware keys too quickly"

This reverts commit 337f537a41344bb310460ff64cf1154a9c5b4623.
Revert "Buttons: Allow disabling hard navigation keys"

This reverts commit fa000453dce8936ee6805c8d953f3ab8d42f2b21.

Conflicts:
	res/values/cm_strings.xml
settings: add back all keyboard IME features back (2/2)

this commit adds:

- ime switcher notification - thanks cm (NOT ADDED - ALREADY IN)
- slims fullscreen disable on landscape
- slims force autorotation on IME
- volume button control for navigate in the message - thanks cm (NOT ADDED - ALREADY IN)
- slims force to show always enter key

- Plus -> PT-BR translations

some fixes to the 4.2/4.3 implementations + added full multiuser
support for all this features

Change-Id: I2f7ffba63fa2f0488a6eb282eae53bbdbeccb373

Conflicts:
	res/values-pt-rBR/cr_strings.xml
	res/values/cr_arrays.xml
	res/values/cr_strings.xml

Conflicts:
	res/values/axxion_arrays.xml