ENH: Added support to setup.py for quick testing

This commit passes through the 'stop' argument to nose allowing
the developer to immediately see if an error results without
continuing with the rest.  In unittests, this is referred to as the
'failfast' option.
abf for 32-bit arch
BUG: Fix broken test result TestAtlanticProfiles

This commit increases the graphic tolerance this specific tests.
Visual comparison of the test failure has been made and confirmation
that it is correct.
Fix netCDF4 python package at version 1.0.2 for travis-ci
Merge pull request #695 from esc24/travis_netcdf4_fix

Fix netCDF4 python package at version 1.0.2 for travis-ci
DimCoord CML circular flag.
Merge pull request #693 from bjlittle/cml_circular

DimCoord CML circular flag.
Merge pull request #630 from bblay/abf32

abf for 32-bit arch
lamb/polar coord untis
Merge pull request #698 from bblay/lambunit

lamb/polar coord units
ENH: Allow cube slicing by dimension index

Currently only coordinates can be used to slice a given cube.  Since
coordinates are not allways associated with dimensions of a cube, the
ability to specify dimension and or mix of coordinate and dimension is
added here to facilitate use.
Merge pull request #671 from cpelley/fix_atlanticprof_test

BUG: Fix broken test result TestAtlanticProfiles
Merge pull request #553 from cpelley/friendly_slicing

Add ability to pass data dimensions for slicing cube
Limit unit calendar argument
Added support for bool array indexing on a cube.
PEP 8 iris.fileformats.grib.grib_save_rules
ENH: working animation of cubes

This enhancement adds a wrapper for animating an iterator of cubes.
This is an experimental feature as the API is likely prone to change.
Merge pull request #701 from rhattersley/pep8-iris.fileformats.grib.grib_save_rules

PEP 8 iris.fileformats.grib.grib_save_rules
Merge pull request #496 from cpelley/animate

working wrapper for animating in iris
Merge pull request #663 from cpelley/failfirst

ENH: Added support to setup.py for quick testing