BLD: Upddated INSTALL for build and runtime deps.
Added decimal keyword to assertMaskedArrayAlmostEqual, to match non-masked version.
Future NetCDF variable promotion.
Update
Promote ignored variables.
Clear circular flag in intersection result.
Removed the lazy keyword to collapsed.
Removed deprecation - lazy was never released.
Review actions.
review actions.
Preserve circular for global intersections.
Fixes to keyword arg handling in Aggregator
Fix Cube.intersection for wrapped 2-point result.

Fixes #1173.
Review actions
Merge pull request #1176 from rhattersley/fix-two-point-intersection

Fix Cube.intersection for wrapped 2-point result.
Tidy nested contexts and reference_terms.
Merge pull request #1175 from esc24/kwargs_passthrough

Fixes to keyword arg handling in Aggregator
update to latest biggus to get mdtol handling
Merge pull request #1159 from bjlittle/netcdf_promote

Future NetCDF variable promotion.
Merge pull request #1177 from esc24/biggus_update

update to latest biggus to get mdtol handling