add deprcation warnings
add deprcation warnings

larrybradley/astropy,astropy/astropy,saimn/astropy,pllim/astropy,dhomeier/astropy,mhvk/astropy,dhomeier/astropy,larrybradley/astropy,larrybradley/astropy,stargaser/astropy,lpsinger/astropy,StuartLittlefair/astropy,pllim/astropy,stargaser/astropy,lpsinger/astropy,mhvk/astropy,saimn/astropy,MSeifert04/astropy,dhomeier/astropy,saimn/astropy,pllim/astropy,lpsinger/astropy,astropy/astropy,lpsinger/astropy,astropy/astropy,dhomeier/astropy,larrybradley/astropy,mhvk/astropy,stargaser/astropy,StuartLittlefair/astropy,pllim/astropy,StuartLittlefair/astropy,mhvk/astropy,mhvk/astropy,larrybradley/astropy,StuartLittlefair/astropy,pllim/astropy,MSeifert04/astropy,stargaser/astropy,lpsinger/astropy,MSeifert04/astropy,MSeifert04/astropy,StuartLittlefair/astropy,saimn/astropy,aleksandr-bakanov/astropy,saimn/astropy,aleksandr-bakanov/astropy,dhomeier/astropy,aleksandr-bakanov/astropy,aleksandr-bakanov/astropy,astropy/astropy,astropy/astropy