Update README.md
add scaffold for directive and spec
implement basic busy directive for 'any'
busy can disable/enable elements
busy can filter events by name, url, or any
busy can add or remove classes
isBusyFor did not work entirely
Add sample w/ busy button
added busy-message directive for HTML content
Simplify with busy.end event
bump bower.json too
Update README.md
Update README.md
Update README.md
Add travis-ci support
Bump version
Merge branch 'release/0.1.1'