Terms of Use: UI test (should fail!)

UI test should fail since we use Test First, i.e., this is only the
test; the corresponding main code is not yet implemented!
Missing Main Menu XML entry added.
Corrected button numbers?
Terms of Use menu and dialog added.
Added terms of use link template.
Reverted 2014 to 2013 in (c)

testLicensePresentInAllFiles was failing, and it was easier to change
2014 back to 2013 than to change the dates in *all* files in the
repository now. This will have to be done in another branch ;-)
Resolving Checkstyle Warnings.

https://jenkins.catrob.at/job/Catroid-pullrequest-test/3453/checkstyleResult/new/
Corrections of German formulations.
Merge pull request #873 from Catrobat/terms_of_use_menu_item

Terms of use menu item