reenabled the coverage test
fixed the units exception
fixed some deprecation warning
removed the coverage again until I can figure out disable the DeprecationWarning
Merge pull request #144 from wkerzendorf/setup/switch_to_astropy_helpers

Setup/switch to astropy helpers
Update CHANGELOG.rst
adding travis tests and full spectrum tests
fixed problem
bash fix
fixed wget -o
fixed url
fixed wget problem
hopefully fixed download
maybe fixed test
maybe fixed test
maybe fixed test
seeing where the file lands
hoping to fix problems
hoping to fix problems
hoping to fix problems