removed quite a few builds. Including any astropy stable ones
Merge pull request #84 from wkerzendorf/travis/remove_stable_apy_builds

removed a number of TRAVIS builds
added the missing tests to specutils
added files to setup_package.py
added test files to setup_package
removed param_dim keywords for new models
removed bad call function
added txt files
fixes for python 3
Merge pull request #69 from wkerzendorf/test/add_io_tests_package

added the missing tests to specutils
making sure the code works with the new models