Merge pull request #112 from Yelp/fresh_updating

Refresh UPDATING

* Add missing 0.3.6 Note
* Fix version references
Release 0.3.7

 BUG FIXES

 * Strip whitespace from sensitive request fields (rschlaikjer, #108)
 * Expand the linkify regex to accept dashes and port numbers (fede1024, #110)

 IMPROVEMENTS

 * Split pushmanager messages across multiple lines to avoid max char limit
   (Mango-J, #35, #106)
 * Replaced the trac specific ticket link with a general link. (fede1024, #105)
 * Improve pickme conflict detection (rschlaikjer, #104)