Make import of Gadfly conditional
Make import of Gadfly conditional

gsd-ufal/Juliabox,gsd-ufal/Juliabox,EricForgy/JuliaBox,JuliaLang/JuliaBox,mdpradeep/JuliaBox,tanmaykm/JuliaBox,tanmaykm/JuliaBox,tanmaykm/JuliaBox,EricForgy/JuliaBox,JuliaLang/JuliaBox,mdpradeep/JuliaBox,EricForgy/JuliaBox,JuliaLang/JuliaBox,EricForgy/JuliaBox,gsd-ufal/Juliabox,mr-justin/JuliaBox,mr-justin/JuliaBox,mdpradeep/JuliaBox,mr-justin/JuliaBox,mr-justin/JuliaBox,JuliaLang/JuliaBox,tanmaykm/JuliaBox,mdpradeep/JuliaBox,gsd-ufal/Juliabox