Calculator: Improve German translation

Patch Set 1:    * rename some strings

Patch Set 2-3:  * add translations for 'Col' and 'Row'

Change-Id: I8c33281877eefa179941c91d98e6701c228e24ae
Calculator: Added Polish translation

Patch Set 2: Fixed a typo

Change-Id: Id076d1d1933d230b4670cc244d43680333bab773
Merge "Calculator: Added Polish translation" into cm-10.1
Revert "Calculator: Added Polish translation"

This reverts commit d1483b5f9bfef9b2f35b9e35f9c35e5f5e5cb653

Change-Id: Ide552af4fc21bf92220fbf3d061f0f47913fc8a8
Merge "Revert "Calculator: Added Polish translation"" into cm-10.1
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