- First attempt to unify translation criterias

- Fix errors introduced by sprieto (missing items in enum lists)
- Translate previosly unstranlated strings
- Several orthographic and gramatical typos fixed


git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@4458 f5dc347c-c33d-0410-90a0-b07cc1902cb9