Update setup.py to include gl modules.
Update setup.py to include gl modules.

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