Set Cache-Control no-cache for static resources in development mode.
Single-quote the master_node option

R16B doesn't like atoms with dots.
Merge branch 'master' of github.com:evanmiller/ChicagoBoss
Update boss_plugin for current rebar version
Support delivery callbacks when sending email
Merge pull request #230 from davidw/static_content_no_cache

Set Cache-Control no-cache for static resources in development mode.
Update SimpleBridge
Bumping simple_bridge version
Merging changes
Final merge
Updating branch from master