Refactoring: Inline of some methods.
Refactoring: Extracting some methods.
Simplifying other two lines.
Extracting another all the screen orientation methods to a new class.
Renaming and shuffling methods.
Moving the super activity types to a new package.
Fixing the references broken by the last commit.
Removing duplication.
Moving method to the right place
Moving method to a more suited class
Changing class to keep it compatible with the others OpenFileDialog classes.
Merge pull request #193 from arthurbenemann/Refactoring

Activities Refactoring