updated readme to include the grunt steps
updated readme to include the grunt steps

jomolinare/dkobo,mainakibui/dkobo,mainakibui/dkobo,kobotoolbox/dkobo,mainakibui/dkobo,mainakibui/dkobo,kobotoolbox/dkobo,kobotoolbox/dkobo,jomolinare/dkobo,onaio/dkobo,jomolinare/dkobo,onaio/dkobo,jomolinare/dkobo,kobotoolbox/dkobo,onaio/dkobo,onaio/dkobo