editing fixes units/quantity [skip travis]
editing fixes units/quantity [skip travis]

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