fixed docstring for ColorArray: added more info about color_space. Fixed formatting
fixed docstring for ColorArray: added more info about color_space. Fixed formatting

hronoses/vispy,sbtlaarzc/vispy,QuLogic/vispy,michaelaye/vispy,dchilds7/Deysha-Star-Formation,dchilds7/Deysha-Star-Formation,michaelaye/vispy,srinathv/vispy,sbtlaarzc/vispy,ghisvail/vispy,julienr/vispy,ghisvail/vispy,kkuunnddaannkk/vispy,QuLogic/vispy,hronoses/vispy,srinathv/vispy,inclement/vispy,drufat/vispy,drufat/vispy,Eric89GXL/vispy,RebeccaWPerry/vispy,sh4wn/vispy,jay3sh/vispy,bollu/vispy,kkuunnddaannkk/vispy,bollu/vispy,drufat/vispy,jay3sh/vispy,jdreaver/vispy,QuLogic/vispy,ghisvail/vispy,julienr/vispy,sbtlaarzc/vispy,inclement/vispy,sh4wn/vispy,sh4wn/vispy,julienr/vispy,Eric89GXL/vispy,kkuunnddaannkk/vispy,RebeccaWPerry/vispy,dchilds7/Deysha-Star-Formation,srinathv/vispy,jdreaver/vispy,jdreaver/vispy,RebeccaWPerry/vispy,bollu/vispy,Eric89GXL/vispy,inclement/vispy,hronoses/vispy,jay3sh/vispy,michaelaye/vispy