add warning about instability of modeling
changed astropy-dev sphinx link to be always available
Make sure polynomials can be fit with non-liner fitters
Merge pull request #1681 from nden/polynomials-and-nonlinear-fitters

Make sure polynomials can be fit with non-liner fitters
remote_timeout -> timeout, as discovered from #1693
Add test to try to go to remote data server
fix low-hanging fruit from remote-data tests
Update IERS eopc04_IAU2000.62-now file for 0.3 release; change to uncompressed
Merge pull request #1678 from eteq/modeling-warning

add warning about instability of modeling
Merge pull request #1693 from mhvk/time-update-iers-table

Update IERS eopc04_IAU2000.62-now file for 0.3 release