added support for Django 1.6 (only for Django-cms 3.x).
- removed 'djangocms_text_ckeditor' not yet ready for Django 1.6
- updated requirements
- added LANGUAGE_CODE as fix for a failing test
Merge pull request #4 from itbabu/Django-1.6-support

added support for Django 1.6 (only for Django-cms 3.x).