Force portrait rotation

Signed-off-by: Fernando Barillas <fbis251@gmail.com>
Update Hex Unlock Activity
* Add "Lock Status:" title text
* Disable lock/unlock buttons until lock status is determined

Signed-off-by: Fernando Barillas <fbis251@gmail.com>
Optimize shell creation
* Reduced the amount of root checks (especially after root has been denied)
* Reduced the amount of busybox checks