added field isDefault to catalogue
changed mapping format to xml
implemented tests and fix tests  catalogue.isDefault
fixed tests catalogue.isDefault
added suggestion to getAllTranslations
removed testGetAll
fixed catalogue.isDefault in export and import test
excluded translations in package serialization
added default language to template
changed parameter name for isDefault
added functionality for selecting default language
added suggestions to the translations
removed debugging comment
updated forms and list to fulfill new requirements
new text for messagebox
changed dialog box width
merged with develop
corrected classes and ids according to naming conventions
corrected variable name
Merge branch 'develop' of git://github.com/massiveart/SuluTranslateBundle into feature/default-catalogue