Change OC_Migrate from MDB2 to Doctrine
Merge branch 'master' into fix-5388-master
ref 3rdparty branch without MDB2 code
Merge branch 'master' into fix-5388-master
Merge branch 'master' into fix-5388-master
Merge branch 'master' into fix-5388-master
Wrap the import/export db in a wrapper to make it compatible with the old style
Fix migration import of user files
Merge branch 'master' into fix-5388-master
Add WIP unit test for migration
Merge branch 'fix-5388-master' into migration_unit_tests
Merge branch 'master' into migration_unit_tests
Finish basic testing of user export
Merge branch 'master' into migration_unit_tests
Fix poor spelling
Remove unused variables
Merge pull request #6650 from owncloud/migration_unit_tests

User migration fix, and basic unit test