Remove old project
Add basic robot and listener structure, some tests
Plugin infrastructure
Namespace improvements
Extract a spec_helper class
Better test names
PingPlugin spec
Improve filtering for matching listeners
Prepare for Travis-CI testing
Add some gems, modify some tests, add some functionality
Use the worker pattern to respond to messages from Slack
Update README to reflect new changes
Fix tests failing when an adapter isn't present
Merge pull request #11 from ttaylorr/improvements

Improvements