Merge pull request #1 from hvst/transformations-support

Transformations feature detection
Merge branch 'master' of github.com:hvst/hvst-toggle.js into acceptance-tests
specify how toggle tabs markup should be generated
added sass to build process
added compass mixins dependency
added sass preprocessor
merged with master
hvst.toggle style
fixed css example in README.md
Merge pull request #2 from hvst/hvst-toggle-css

Hvst toggle stylesheets
merge with master
test in firefox too
simpler styles when transformations are NOT supported
include hvst.toggle styles since transformations fails if hvst-seeker is not marked as display: block
specify how a tab should change when is clicked