Added missing field_content translation (#2896).
Removes double % in locales (#2891).
Merged r2428 from trunk
Adds some functional tests.
Reorder links refactoring (follows r2526).
Removes unused code.
Fixes a failure when running rake test:coverage.
Fixed that some error messages were not displayed (#2866).
Fixed: Undefined Method (l_YesNo) Being Called (#2867).