added test for initializing Table from dict with copy=False and copy=True
added test for initializing Table from dict with copy=False and copy=True

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