Merge pull request #2 from t0xa/master

Set Java 1.6 as a target VM version
1. Maven directory structure.
2. Release plugin.
3. Removed dependency artifacts.
4. Removed ant build.xml
5. Added travis CI config.
Added ANT build.xml for backward compatibility and updated gitignore to exclude lib/*
Additional ignores.
Build.xml updated.
Test classpath update.
Staging plugin release.
Made compiler more sass conformant
Moved test file used to test against the sass spec (incomplete)
Merge remote-tracking branch 'upstream/master'