Cleanup styles, fixed tablesorter, update to bootstrap3RC1

I'm trying to improve the UX, I only did minor changes to see if this is the way you want to go. Let me know :-)

![capture](https://f.cloud.github.com/assets/1109982/868979/f7b4b968-f7d7-11e2-8ee9-754d9cd85992.PNG)