Calculator: Added Polish translation

Change-Id: I7be0c7dd02c3505e8f5cb5755c94756333d74c18
Fix build warnings.

Change-Id: I9562d53c5d636533070e9f29cda7d6e4bb770e44
Merge "Calculator: Added Polish translation" into cm-10.1
Calculator: Danish strings for new merges

Patch 3: Added "About" string

Change-Id: I5df2a10c3b522e846045f6edec38e89586ea06b7
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Calculator into jellybean