slight changes to Gruntfile.js
slight changes to Gruntfile.js

djmiley/d3fc-showcase,rjmcneill/d3fc-showcase,djmiley/d3fc-showcase,jdhodges/d3fc-showcase,ScottLogic/BitFlux,jleft/d3fc-showcase,ScottLogic/d3fc-showcase,jleft/d3fc-showcase,rjmcneill/d3fc-showcase,ScottLogic/BitFlux,ScottLogic/d3fc-showcase,jdhodges/d3fc-showcase,djmiley/d3fc-showcase,jleft/BitFlux,ScottLogic/d3fc-showcase,jdhodges/d3fc-showcase,jleft/BitFlux,rjmcneill/d3fc-showcase,jleft/d3fc-showcase