Add Python 2.7 trove classifier to setup.py
Apply changelog tweaks from master
Backport changelog machinery from master
Add line item for changelog work
Add changelog keywords to contribution docs
Display obviously-unreleased items at top of changelog
Be slightly more professional or something
Consolidate changelog machinery. (Currently busted.)
Wow this took way too long to figure out.

Variable names, man. Scope! etc
Typo fix
Preseve backport flag for 984
Move changelog massaging to external library
Push config options back into our conf.py
Moving this into releases as well
Add doc building to our CI setup
Merge pull request #977 from akitada/add-py27-classifier

Add Python 2.7 trove classifier to setup.py
Tweak travis IRC notifs
Add Python 2.7 trove classifier to setup.py
Merge branch '1.6' into 1.7
Shuffle gateway logic around for improved reconnecting.

Fixes #957