Minify less using lessc and include yui-compressor to minify js.

Signed-off-by: crynobone <crynobone@gmail.com>
Run ant minify command on travis-ci.

Signed-off-by: crynobone <crynobone@gmail.com>
Install lessc using apt-get for travis.

Signed-off-by: crynobone <crynobone@gmail.com>
revert running ant, there too much dependencies require in order to use it.

Signed-off-by: crynobone <crynobone@gmail.com>
Run ant minify-css and minify-js from guard.

Signed-off-by: crynobone <crynobone@gmail.com>
Update ant build script

Signed-off-by: crynobone <crynobone@gmail.com>