Use internally sourced logos for SO and GO (#2247)

Author: erik-whiting

images/go_logo.png

@@ -30,7 +30,7 @@ dependencies:
   subset: go/extensions/ro_import.owl
 - id: uberon
   subset: go/extensions/uberon_import.owl
-depicted_by: http://geneontology.org/assets/go-logo-icon.mini.png
+depicted_by: /images/go_logo.png
 description: An ontology for describing the function of genes and gene products
 domain: biological systems
 homepage: http://geneontology.org/

images/so_logo.png

@@ -11,7 +11,7 @@ contact:
   github: keilbeck
   label: Karen Eilbeck
   orcid: 0000-0002-0831-6427
-depicted_by: http://sequenceontology.org/img/so_icon.png
+depicted_by: /images/so_logo.png
 description: A structured controlled vocabulary for sequence annotation, for the exchange of annotation data and for the description of sequence objects in databases.
 domain: chemistry and biochemistry
 homepage: http://www.sequenceontology.org/