Changed the dialog button switching from sdcard to phone from text to an icon

Conflicts:
	res/values-ja/strings.xml
Added a new button to create a new folder on the file system dialog

Conflicts:
	res/values-ja/strings.xml
	res/values-ko/strings.xml
	res/values-ru/strings.xml
	res/values/strings.xml
Disables the opportunity for creating new folders when choosing default game location
For some reason I was missing this in Japanese strings (ext_not_found)

Conflicts:
	res/values-ja/strings.xml