Fixed OrientDB Migrations
Fixed some code errors and changed add_index method to accept multiple properties, making possible the creation of the learningobject_search index.
Signed-off-by: Israel Barreto Sant'Anna ibsa14@inf.ufpr.br
Fixed some code errors and changed add_index method to accept multiple properties, making possible the creation of the learningobject_search index.
Signed-off-by: Israel Barreto Sant'Anna ibsa14@inf.ufpr.br