Resolve "exported as GPML that can not upload to MINERVA"

Closes #1267 and #1273

See merge request !1166

Resolve "export as GPML - nice to have"

Closes #1268

See merge request !1165

Resolve "drawing pathways is omitted during conversion to image"

Closes #1266

See merge request !1164

Merge remote-tracking branch 'origin/master' into 1266-drawing-pathways-is-omitted-during-conversion-to-image

Merge branch '1265-heterodimer-association-dissociation-operators-should-be-solid-small-dots' into 'master'

Resolve "Heterodimer association/dissociation operators should be solid small dots"

Closes #1265

See merge request !1163

Resolve "SBGN file with BOM cannot be converted to image by API converter"

Closes #1264

See merge request !1162

Merge branch '1263-exported-to-gpml-in-pathvisio-reactions-are-displayed-not-adjacent' into 1264-sbgn-file-with-bom-cannot-be-converted-to-image-by-api-converter

Merge branch '1263-exported-to-gpml-in-pathvisio-reactions-are-displayed-not-adjacent' into 'master'

Resolve "exported to GPML, in pathvisio reactions are displayed not adjacent"

Closes #1263

See merge request !1161

arrow head in gpml

Closes #1262

See merge request !1160

Merge 14.0.13

See merge request !1159

verify that submap exists

See merge request !1158

validation for too long comment name added

See merge request !1157

remove prefix from hgnc symbol

See merge request !1156

css to fix chrome update

See merge request !1155

timeouts for dapi are tripled (the service is slow for now)

Closes #1163

See merge request !1154

Resolve "gpml graphical elements displayed not"

Closes #1259

See merge request !1153