Calculator: bugfixes

	Fix an error in the matrices module
	causing incorrect results in some languages

Change-Id: I13dc93326d0992c69b8af78f5297c7c2b90a26d6
Merge "Calculator: bugfixes" into cm-11.0
Always show the overflow button

As with native action bars.

Change-Id: Ibb577bc3bcbf7b51b3b6d1fee9e72cb9390fabf9
Update the overflow touch background color from blue to gray

Use the parent theme's system touch background.

Change-Id: Icf6099cbe07f5f2b71afbf3823d1fddceca999c4
Calculator: LT translations

Changed quotation marks to match AOSP strings

Change-Id: If51d55c24e8928e6aa13b2ca7d4711d1594e81b4
Calculator: LT translations

Fixed quatation marks
*Improved translations
Change-Id: I14ca6141b6bb1e7b6f982210949ba7a8fa2db8ac