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
 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