Update nl_NL.ini
Update de_DE.ini
[KeyMapping] updated

https://github.com/hrydgard/ppsspp/commit/ab0b99901010a7a59254ea4c960087710ed54d22#diff-a12455db707320b1e1f05117883afb85R216
[KeyMapping] updated

https://github.com/hrydgard/ppsspp/commit/ab0b99901010a7a59254ea4c960087710ed54d22#diff-a12455db707320b1e1f05117883afb85R216
[MappableControls] updated
[MappableControls] updated
Update gr_EL.ini
Update ja_JP.ini

Translated by gary_ppsspp >> http://forums.ppsspp.org/showthread.php?tid=13128&pid=93804#pid93804
Merge remote-tracking branch 'upstream/master'