Superuser: CS translation

- fixed some misaligned translation
- fixed element names and small glitches

Change-Id: I410ef0c50a6b236c13bfde1658187e9136176862
Change the root_access property by SystemProperties.set

This works if Superuser is embedded.

Change-Id: I779d06c1777bb63740649b2b6db1e944275a5e0a
Superuser: PT-rPT translations

Change-Id: Ic3862ca92aa18ff837ca2a28b8a487c0fb725fc4
Make emulated storage available via su.

Apps (e.g. file managers) expect that they get the same view of files in
su and non-su mode.

Change-Id: I613d021dddb7b90c34bd6d7cf6d2234448404731
Change target API from 17 to 18

Change-Id: I7adb61ad20740875e31a7e94b218aeb593e3b368
Fix several Lint's warnings

Change-Id: I8da5969d7fb2dd2bc2d0760e445da96470042598
Merge github.com:CyanogenMod/Superuser into jb-mr2