Added a class UnitScaleError to catch errors arising due to scale, and added a test
bringing master back to intial state.
reverting back changes
reverting back changes
Trying to make a merge
Added UnitScaleError for catching the error representing the scale. Added a test for cheking UnitScale Error.
Improved the error message. And added final classes and tests.
made some improvements in fits.py
fixed indentation error in test_connect.py
FIxed indentation error
Tests now running successfully. Made minor changes in the error message.
Made the changes again, after losing them, during a rebase attempt.
Merge branch 'fits' of https://github.com/krngrvr09/astropy into fits

Conflicts:
	astropy/io/fits/connect.py
	astropy/io/fits/tests/test_connect.py