Fix wrong scaling of QS tiles

Also increase margin with the number of tiles shown
and tweak sizes for better usability

PS2: Whitespace fix

Change-Id: I78a1e0d41d487ac48edc5f8992b7d5c95fbbfa71
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_frameworks_base into test