added User-Agent because of http://developer.github.com/changes/2013-04-24-user-agent-required/
i've chosen "microjs.com-build-script" but if you like something else, please change
Merge branch 'GH-UA' of https://github.com/SimonWaldherr/microjs.com into mymaster
strange error on make, so i changed supplement.js to old version
Merge branch 'updates' of https://github.com/SimonWaldherr/microjs.com into mymaster
make