Re-factored QueryLogger to not use ThreadLocals. Split timing of MG4J
search/Document retrieval.
Removed obsolete big MG4J results cache.
Fixed Query timing on single document queries.
Updated MG4J version to 5.2.1.
Fixed owlapi dependencies.
Fix Paranoid ticket 6739626. (Stack trace/Information Disclosure issue)
Merge branch 'master' of https://github.com/Timpy/Glimmer into Timpy-master

Conflicts:
	pom.xml