NetCDF CF profile support.
Merge pull request #368 from bjlittle/monet

NetCDF CF profile support.
pep8 coords
flaked cube
Merge pull request #381 from cpelley/refactor_coords

PEP8 Changes to iris.coords
removed most redundant imports
Merge pull request #382 from cpelley/flakeall

Removed most redundant imports
add exponential