npm 2.0 uses semver 4, which excludes prerelease versions from matching ranges so use explicit versions
[BUG #8595] add Gruntfile task config syntax support for '=' (overwrite instead of merge) and '!' (remove)
[BUG #8595] pull static method call deps into load time
[BUG #8595] add configurable loader template path
[BUG #8595] ignore scss source maps
[BUG #8595] add grunt-contrib-sass
[BUG #8595] convert config.json jobs to Gruntfile tasks
Updated node unit to 0.9.0.