Ensure propagation up GO graph

[cmungall]

GMT_files_for_mulea/GMT_files/Danio_rerio_7955/GO_CC_Danio_rerio_GeneSymbol.gmt

Lines 223 to 225 in 5bbb1f0

	GO:0005777 "peroxisome" zgc:112318 zgc:172341 far1
	GO:0005778 "peroxisomal membrane" far1
	GO:0005782 "peroxisomal matrix" zgc:112318

genes for "peroxisomal matrix" should propagate to "peroxisome"

If there is separate logic to do this propagation at time of enrichment you can ignore this request, but I believe it's conventional to use gmt files as is and propagate in advance