R1:5b7616ad6e43

Update Javelin to D3573

Summary: Pull in the latest version of Javelin.

Test Plan: Used application typeahead on a ":8080" install, got sent to the right URI.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D3584