Sends handled database exceptions to BugSense.

ex.

https://www.bugsense.com/dashboard/project/ebfa8fd7/errors/915448280
Linkify Circle CI build status in README
Merge pull request #148 from mapzen/chuck/report-db-errors-to-bugsense

Sends handled database exceptions to BugSense.
style update removes poi labels
making routeline less fat and anchoring the marker correctly
removing frivelous method