fieldtrip module: address follow-up bug w/ #1193
calltaker module: new mailables letter template (per #1160 and related email discussions)
calltaker module: front-end changes for new mailables letter format (#1160)
Fix crash with street name beginning with '(' and add related tests
Fix "unbuilt" highways being included for routing
Merge pull request #1196 from goabout/backward_traversal

Backward traversal
Merge pull request #1200 from gcamp/master-fix-street-name-bug

Fix crash with street name beginning with '(' and add related tests
Merge pull request #1201 from gcamp/master-fix-use-of-unbuilt-tag-in-routing

Fix "unbuilt" highways being included for routing
calltaker module: convert html to plain text when writing mailables letter (follow up to #1160)
added agency logo (TriMet logo) for PDF generation (mailables)
patch from larentg removing apache commons exclusions from POM

resolves issue reported by Simone B. on dev list
https://groups.google.com/d/msg/opentripplanner-dev/XtDFK0tB4pI/6PReIUhmpL0J
Merge remote-tracking branch 'upstream/master'