Fix for Orange paths

SimpleCV prompts this:

WARNING: I'm sorry, but you need the orange machine learning library
installed to use this

However orange library is installed, but system paths are not
correctly set. Importing `Orange` with capital O, and then `orange`
fixes the issue, so SimpleCV can use it.
Merge branch 'orange_paths' of github.com:maraujop/SimpleCV into maraujop-orange_paths