fixed #18
fixes #13
UI improvements
fixes #24

had to rewrite the UI alot to get the look as desired
unfortunately, now it is mpossible to handle the max-with of images with
pure css, since images are in a container now - so look.js will take over

the crawler now puts its ClassName in the img uri hash
e.g.: http://some.thing.com/path/to/img#Crawler
from there the url is fetched later in the JS
crawler icons are stored in sourceIcons.css

root.js handles the UI kickoff from now
Merge pull request #27 from jkowalleck/UI_improvements

UI improvements - fixes #18  #13  #24