Pull COFFEE out of PyOP2
Adapt to COFFEE's new naming convention
Update requirements and reflect them in setup.py
Update installation instructions
Update the location of the COFFEE repo
Auto-install COFFEE with quick installation
Update required numpy version
Remove remaining pyop2.coffee imports
Merge pull request #406 from OP2/remove-coffee

* remove-coffee:
  Remove remaining pyop2.coffee imports
  Update required numpy version
  Auto-install COFFEE with quick installation
  Update the location of the COFFEE repo
  Update installation instructions
  Update requirements and reflect them in setup.py
  Adapt to COFFEE's new naming convention
  Pull COFFEE out of PyOP2
Bump version to 0.12.0