TestPPSave for 32-bit arch
test_ff for 32 -bit arch
lambert grib
Switch to using DimCoord.from_regular
PEP 8 iris.coord_categorisation
Support qplt.show in extest.
Merge pull request #649 from ajdawson/extest-show

Support qplt.show in extest.
Merge pull request #561 from bblay/lambgrib

Lambert conformal grib2 loading
ENH: Optimised unit equality special method

This commit results in a 5.4% gain over the _OrderedHashable equality
method utilised for unit comparison.  This implements an interface
through ctypes to UDUNITS ut_compare for efficient unit comparison.
Merge pull request #651 from cpelley/unit_str

ENH: Optimised unit equality special method
Merge pull request #645 from rhattersley/pep8-iris.coord_categorisation

PEP 8 iris.coord_categorisation
Fixup comments
Merge pull request #654 from rhattersley/pep8-iris.coord_categorisation

PEP 8 follow-up: fixup comments in iris.coord_categorisation
ne logic
Global unit cache
Merge pull request #635 from rhattersley/unit-cache

Global unit cache
Use DimCoord.__new__ to construct object
MAINT: Refactoring of unit equality
Merge pull request #655 from cpelley/syntax_imp

MAINT: Refactoring of unit equality
Merge pull request #641 from bblay/nelogic

ne logic