added make.bat file
Merge pull request #40 from anizami/add-make.bat

Added make.bat file
Make use of astropy affiliated package infrastructure
Don’t test Python 3.2
Enable coveralls
Merge pull request #42 from astrofrog/use-astropy-helpers

Make use of astropy affiliated package infrastructure
Make coord_type_from_ctype return a default coord_wrap
Add coord_type_from_ctype tests.