Fix #799 by separating out steps when roundabout status changes.

Conflicts:

	opentripplanner-api-webapp/src/main/java/org/opentripplanner/api/ws/PlanGenerator.java
Initial work on #820.
Fix #796 (car routes in UI).
maxspeed tag #820.
Fix U-turns in zag removal (closes #821).
Initial work on #822 - needs a DST and time zone audit.
Should have been included in 1e13d1f48d3c96cd597d2e5aae78443d2244669b (#820).
fix copypasta
fix handling of weird OSM
Parse maxspeed tags with decimal numbers, e.g. 88.5. #820.
convert NAVD88 to NAD83 (close enough to WGS84), closes #826
Merge remote-tracking branch 'origin/master' into cars

Conflicts:
	opentripplanner-routing/src/main/java/org/opentripplanner/routing/edgetype/PlainStreetEdge.java
Possily more accurate turn costing. #820.
remove native dependencies (zeroMQ)
remove native dependency from POM (jzmq)
remove code to provide multiple departure search results
[maven-release-plugin] prepare release opentripplanner-0.8.0
[maven-release-plugin] prepare for next development iteration
handle slightly larger floating islands (like Pedways in Chicago)
correctly split self-intersecting ways