Default builder options to empty hash
Merge pull request #3 from jgwhite/patch-1

Default builder options to empty hash
Remove unused `info` argument
Rename _setup to setup
Add a few tests
Run tests on Travis
Rename components.js to component.js
Point people to the broccoli branch of ember-app-kit for now
Simplify temp directory handling in tests
Export more classes on broccoli module; add comments
Make README clearer
Improve Component interface, remove useless Component tests
Fix constructor properties for subclasses
Add tests for PreprocessorPipeline
Hardlink files that have no applicable preprocessor
Allow for matching multiple extensions
Document the roles of Broccolifile and Stirfryfile
Improve tmp dir handling
Add test for getDestFileName and fix argument
Add examples