Revert "xml input loading changes"

This reverts commit 3d47c0c9ee3b352b6a43e39c3ab9e417a49f903b.
SQL fix towards new input
SQL associations
SQL associations - remade...
Merge remote-tracking branch 'origin/modeling-attempts' into modeling-attempts

Conflicts:
	resources/output.xml
	src/clj_hypergraph_db/core.clj
	src/clj_hypergraph_db/xml_parser/xml_common_functions.clj
Fixed merge problems