Language::Enum -> QmlDialect
* class instead of enum
* moved Language specific operations to it (from Document)
* nicer handling
QStringList -> PathsAndLanguages
* store language along with path, to perform a correct scan and improve
path handling
Change-Id: If69d35c63cfeb48aa670b51870916cd0c40f1916
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>