Calculator: update translations

Patch Set 1:	* Add German translation for return to basic pnel
		* Remove untranslatable strings
Patch Set 2:	* Remove spaces and tabs
Patch Set 3:    * Changed translation to fit actual meaning

Change-Id: Ic391169d1a56674fc4359a5393882174320f1d9a
Calculator: Update Greek translations

Change-Id: I97a1bafa2fcff867851db03b590e951eb35022bb
Calculator : French added missing translation
Merge remote-tracking branch 'cm/jellybean' into jellybean