Merge pull request #1 from wikipathways/gh-pages

update ap:gh-pages with latest work and builds from wp:gh-pages
Merge pull request #2 from wikipathways/gh-pages

update ap:gh-pages with latest work and builds from wp:gh-pages
Merge pull request #3 from wikipathways/gh-pages

pull latest from wikipathways repo
add support for empty bridgedb webservice returns
Merge pull request #47 from AlexanderPico/gh-pages

add support for empty bridgedb webservice returns