Version number for sprint 6 release.
NetCDF_Gridded works for variable name, standard name or long name.
Fixed syntax for scatter plots in manual plot tests.
Updated syntax for subsetting to allow product= to be used. Also checks for syntax and fix to allow no keyword when there is only one optional argument. Subsetting documentation updated.
Merge branch 'devel' of proj.badc.rl.ac.uk:jasmin_cis into colocationreorg
Updates to, and as a result of running, units tests for colocation.