es_ES: Updated spanish translations

Change-Id: I82bd7a17fc0d16c3443246dfeab9c99752f99194
Settings: Fix ambiguous expanded desktop options

Currently, one may interpret "With status bar" as both:
1. With the status bar also hidden
2. With the status bar left untouched

And vice versa with "without status bar". This patch aims to make it
more clear-cut.

Patch Set 2: Re-worded as per David van Tonder's suggestions.

Change-Id: Iff032c48de0e0c83ef955032c78187a43901163c
Merge "es_ES: Updated spanish translations" into cm-10.1
Add back backlight curve adjustment.

Patch set 1-8: Initial commits
Patch set 9  : Shortened strings to better fit Design Guidelines

Change-Id: I1eb370f8911d1c92ef06e553cc1c1be81e83cb95
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_packages_apps_Settings into cm-10.1