added a changelog entry
added a changelog entry

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