Fix #1605: shared nodes between areas causing hang.
Code format.
Merge pull request #1617 from laurentg/unconnected-P+R

Fix #1605: shared nodes between areas causing hang.
[maven-release-plugin] prepare release opentripplanner-0.12.1
[maven-release-plugin] prepare for next development iteration
catch concurrent modifications when redrawing visualizer
Prevent re-alighting near origin. Use Trove Object->double map. for #1619
Merge remote-tracking branch 'upstream/master' into VCub+GraphO+RT