almost made it a preference screen
moced some settings to new performance tab
made cpu voltage a preference screen
cleaning
gpu volt as second preference screen in voltage tab
removed ’old’ gpu voltage tab
added zram and swappiness settings to memory tab + much more
added layout file
added cpu tab back + testing: android:layout_height
fixed long summary cut off
added basic smdk4412 color options
zram settings: fixed summary containing %
all settings get applied on boot now
use integerpreference which allows negative values

this is needed for white color temperature settings, which i also added in this commit
disabled onclick listener for text feld - this didn't work properly with negative values
automated catching of text within syfs
don't apply zram settings at every 'onCreate'
added a button to apply zram settings
screen: remove settings which aren't available
fixed some typos