small fix for color channel variables
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/com/amaze/filemanager/fragments/Main.java
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
implement file picker, includes go back fixes
Merge pull request #20 from vishal0071/master

implement file picker, includes go back fixes