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Bump Jersey, Grizzly and Jackson versions.

We observed a problem with threads getting stuck with 100% CPU usage in epoll.
Using newer Jersey version seems to resolve this.
Newer Jersey requires JSON serialization features to be added explicitly.
Update Enunciate version. v1.29 fixes a validation bug we reported.

This allows us to resume auto-generating API docs for master.
Addresses #1558
park and ride support. per-mode speed and min/max travel time parameters.
log when finding on-street paths (no transit)
allow strictly suboptimal options (account for schedule deviation)
remove url pasted into source code

What's amazing is that this compiles and passes all tests.
It is seen as a loop label followed by a comment.
set bike and car speeds when performing on-street searches for profile routing

addresses #1561