Merge pull request #784 from Cadair/differential_rotation

Merge master into differential_rotation feature branch
Added metadata-focused test for GenericMap.resample
Made other resample test a little shorter
Removed spaces around =
LightCurve.meta now instance of OrderedDict
LightCurve.meta now instance of OrderedDict
Revisions LightCurve header instance of OrderedDict
variable name now descriptive
Made tests cleaner with pytest.parametrize
Merge pull request #906 from Cadair/differential_rotation

merge master into differential_rotation
 Changelog Entry made in V0.4 bugs section
Merge pull request #883 from amras1/genericmap-resample-testing

Added metadata test for GenericMap.resample
Removed additional spaces to ensure PEP8 compliance
Merge pull request #892 from gunner272/header

LightCurve.meta now instance of OrderedDict
Merge branch 'master' into differential_rotation
Small bug fixes, patch up the units in wcs and a error in mapcube
animator
Merge branch 'bug_fixes' into differential_rotation
Fix a small annotation bug in MapCubeAnimator

Also split out the creation of the axes into a seperate method
so it can be overloaded
Merge branch 'bug_fixes' into differential_rotation