Added support for ratings and integration with OZnzb.
Add modified files related ratings.
Update three.html
Add backport of OrderedDict to support earlier versions of Python.
Merge branch '0.7.x' of https://github.com/oznzb-dev/sabnzbd into 0.7.x
Merge pull request #127 from oznzb-dev/0.7.x

0.7.x ratings, feedback and comments