Merge pull request #2644 from mdboom/testing/coverage-encoding-bug

Fix unicode encoding bug when editing the coveragerc file
Merge pull request #2631 from larrybradley/coverallsrc

Add coveralls --rcfile option
Merge pull request #2637 from kaichogami/keV_kel

kelvin to eV
Change IPython HTML table repr to show all columns
Reusable Fittable1DModelTester and Fittabel2DModelTester classes
Rebase
Merge pull request #2625 from luzuku/group-aggregate

Use reduceat() in group aggregation where possible.  Closes #1546.
Merge pull request #2651 from taldcroft/table-html-repr

Change IPython Table HTML repr to show all columns
Skip tests that require scipy if it's not available
Merge pull request #2647 from mhvk/tablecolumns-initialisation

Problem with TableColumns.__init__ for tuples, lists
Added some docstings to representation properties
Add Column headers for reading multiple apperture daophot output
Make frame class attributes read-only
update sgr-example
some code cleanup/clarification
move representation stuff lower down inside BaseCoordinateFrame
changed representation_names to representation_component_names and representatiounits to representation_component_units
change frame_specific_representation_info to use RepresentationMapping
Complete representation subclassing guide
remove representation `default_names` and `default_units` in favor of explict