Replaced ICRSCoordinates by ICRS
Replaced GalacticCoordinates by Galactic.
Replaced FK5Coordinates by FK5
Replaced FK4Coordinates by FK4
Doc: Replaced ICRSCoordinates by ICRS
Doc: Replaced GalacticCoordintes by Galactic
Doc: Replaced FK5Coordinates by FK5
Doc: Replaced FK4Coordinates by FK4
Removed monkeypatch for Angle.hours and Angle.degrees (plural form)
Reverted coordinates RA and DEC formatting hack

Was put in place for astropy 0.3.dev39
Removed workaround for Angle('5d') bug in astropy 0.2.
Merge pull request #255 from jwoillez/fix_icrs

Replace ICRSCoordinates by ICRS