Cosmetic changes
Change removeCountryCode function
Change getID2 and getID3 functions.

Return id1 without countrycode if there is not match
Change getID1 function.

Adding a bolean to know if the id to convert is ID3 or ID2
Change language import in QubitXmlImport
Use new FreeBeer functions in EAD export
Update langusage and langmaterial EAD import
Change language import/export in DC.

Now using ISO 639-3