changed layouts to be smaller, I like seeing more then one manga/chapter per line!
removed unused import
removed unused Attribute, later in the code mActionBar is created localy!
removed unused resources
fixed lint warnings about using sp instead of dp for text
removed unusefull text of the dlgfolder
fixed lint warings about hardcoded strings in resources
removed 2 unused strings
fixed lint warning about implicitly using default locale (by now explecitly using it)
changed new Float(maxSize) to Float.valueOf(maxSize)