Update jasmine-focused dependency

0.19.0 had an uncaught exception in the jasmine-node dependency.
Merge pull request #18 from jgable/fixJasmineFocused

Update jasmine-focused dependency
Update dependencies

- Update underscore
- Update grunt-contrib-coffee
Merge pull request #19 from jgable/updateDeps

Update dependencies
Fix caching of imported files

- Move hash key creating to after parseLess function
Merge pull request #17 from jgable/fixImportCaching

Fix caching of imported files