Assume baseDir for styles and scripts as it does for preprocessors
Remove reference to the public directory on the combine method
Add copy utility
Update package.json

Latest changes to `gulp-rev` includes an important fix when running elixir on Windows machines.
Merge pull request #11 from Marwelln/patch-1

Update package.json
Bump version
Assume same dir
Merge branch 'pedroborges-master'
Little renaming
Assume all files if no args passed

So, if you do mix.styles(), it'll just combine all stylesheets
Keep the base dir to public, but allow override
Add note about combining all files
Workaround for a known bug in gulp-sass. Compiling .sass files fails with error stdin:1: invalid top-level expression
Merge pull request #14 from ChrisRM/master

Workaround for a known bug in gulp-sass.
improving error/success handling and adding plumber