add eco subset to gulpfile loader args; work on #308
add eco subset to gulpfile loader args; work on #308

geneontology/amigo,geneontology/amigo,raymond91125/amigo,geneontology/amigo,raymond91125/amigo,geneontology/amigo,raymond91125/amigo,geneontology/amigo,raymond91125/amigo,geneontology/amigo,geneontology/amigo,raymond91125/amigo,raymond91125/amigo