Using more' preference to hide some settings in build tweaks

-Adding 'more' interface in system settings
-Moved pluginprompt settings to system settings
-Added drawable for pluginprompt
-Moved Quiet Hours,Circle App sidebar & Recentbutton Settings to 'more' preference
Adding Lockscreen Settings

Power menu was being used as lockscreen settings..
Now added a separate file for lockscreen Settings.
-Moved lockscreen Blur to lockscreen settings