Replace tests on axis.id=='lat' with axis.isLatitude().  Not done yet for 'lon'.
Merge branch 'devel' of github.com:UV-CDAT/uvcmetrics into devel
several bug fixes
several bug fixes
Insert select_region and interpret_region functions where appropriate in other reduction.py functions
Add default arguments to reduce_time_space_seasonal_regional
Refactor seasonal climatology functions -- try to push all special cases into one function.