move a few OWLOntology methods around
Refactored getSuperProperties and getSubProperties into four methods.
bunch of other streams added
a few more streams
marked methods returning sets where a stream is available as deprecated
most deprecations removed
EntitySearcher and Searcher changed to streams
fix the build
travis build not fixed yet, but local build works. Second attempt.
try again to fix the travis build
Attempting again to fix Travis build. Looks like some generic types and
streams operations are at odds.
Java 8 release 25 changed generics inference in a way that breaks uses
of Collectors.toSet() and toList(). Refactored to avoid.

Also pulled direct calls to toSet() into util methods to
allow for use of linked sets.
documentation warnings removed
added shortcut