sass -> sass.bat so it works on windows
uses 'sass.bat' as command on windows, 'sass' in other environments
Lock sbt version to 0.11.3
Merged Carl-Peter Bertell's changes to add Windows support

Merge branch 'master' of https://github.com/kallebertell/play-sass
Changed to use play 2.0.4. Upgraded version number to 0.1.2
Support for Play 2.1-RC1
Use new imports
Add sbteclipse plugin and change deprecated class
Fix problem which caused *.sass files to not work properly
use mkString instead of toString
Improve error messages and handle Play's weird behaviour when RequireJS is used correctly
merge with fixed README
merge 1.3 with fixed README