Fixes #144.
Updated to Blueprints 2.3.0-SNAPSHOT and refactored codebase correspondingly
Fixes #127.
Fixes #129. Added additional tests to verify other cases that are similar.
Added CompactMap as a utility that will be useful.
Missed to include pom in previous commit.
Added new documentation graphics to explain the benefit of unidirectional edges
Merge branch 'master' of github.com:thinkaurelius/titan
Merge branch 'master' of github.com:thinkaurelius/titan
Updated RexsterClient to reflect recent changes in Rexpro