Update README to be more verbose about goals.
Update README to be more verbose about goals.

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