Calculator: New Features Part 3

New matrix page design (Designed by Nicholas Bourdakos)
Tutorial on first launch
sin, cos, tan in degrees or radians, based on settings
arcsin, arccos, arctan on long press
Graph zoom in/out/reset buttons (Designed by Nicholas Bourdakos)
History has a cleaner design (Designed by Nicholas Bourdakos)
Widget for lockscreen/launcher
Exponents "jump up" like you'd expect them to
Bugfixes. Lots of them.
Calculator bugfixes

Menu has a pressed state
Version number in settings
Test no longer fails
PT-BR: Update translations

Change-Id: I5cc42d1345b5f47a1a1f8b89487623a21d29f407
Calculator: Update italian translation

Change-Id: Ide18f04b9f7b5d6a83ca91997ca5034703c98406
Move the window background to the activity theme

This has several advantages:

- Reduces overdraw and improves performance especially on weaker and
  older devices

- Centralizes the background attribute out of the layout files

- Shows the proper solid background when the calculator is launching

Change-Id: Id3a4f7499a8bfc50f6b0ff8307d9d420861e0858
Added translation for New Features Part 3

Change-Id: I57842703e49464fa663e3fe2b2d7b1dd97dbc1b3
Merge "Move the window background to the activity theme" into cm-10.1
Merge "Added translation for New Features Part 3" into cm-10.1
Merge "PT-BR: Update translations" into cm-10.1
Update Russian Translation-Calculator-CM10.1

Update Russian Translation-Calculator-CM10.1

Update Russian Translation-Fix typos-CM10.1
Add Afrikaans translation

Translated Calculator to Afrikaans

Change-Id: If68432ebc3c4f0018e7b09522fdbfd8c87c737ae
Calculator: Some cleanup

Patch Set 1-2:  * use 'pressed_color' for menu pressed state
                * adjust the 'About' category to be consistent
                  to the already existing one's (e.g. CMFileManager)
                * use '' instead of ""
                * remove unneeded strings

Patch Set 3:    * remove 'operatorDescs'

Patch Set 4-5:  * rebase

SCREENSHOTS
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Before: http://goo.gl/3w4j9
After:  http://goo.gl/BJvGO

Change-Id: Ibb62eaad831e800543da5276c773caa68b6567a7
es_ES: Update spanish translations

Change-Id: I50002b96601cd4adcffede4292659e6ae9509ea5