BLD: Upddated INSTALL for build and runtime deps.
Load raw reduced grids from GRIB files.
Added decimal keyword to assertMaskedArrayAlmostEqual, to match non-masked version.
BUG: Changed precision when wrapping points.
MAINT: Reverting dtype change in interpolator
Support for bounds arrays with non-standard dim order
Allow string coordinates in rolling window. Closes #1108.
Increased git depth to 10000
Added docstrings to document the new GRIB loading arguments.
Added explicit Python path to grib-api configure
Merge pull request #1113 from dkillick/travis_git_depth

Increased git depth to 10000 and specified python binary for grib
Deferred PPField attributes.
Auto-associate formula terms.
Moved GRIB load_cubes test and result file.
Made matplotlib an optional iris tests dependency
Merge pull request #1109 from dkillick/no_graphics_tests

Make matplotlib an optional Iris tests dependency
Merge pull request #1110 from ajdawson/rolling-window-string

Allow string coordinates in rolling window
Merge pull request #1094 from cpelley/wrap_lons_precision

BUG: Changed precision when wrapping points.
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