Merge pull request #141 from AlexanderPico/release-0-9-0

new fit-to-screen icon
png now loading
Merge branch 'release-0-9-0' of https://github.com/wikipathways/pathvisiojs into release-0-9-0
Update pathvisiojs.html
display png for ie9
Merge branch 'release-0-9-0' of https://github.com/wikipathways/pathvisiojs into release-0-9-0
built
Merge pull request #20 from wikipathways/release-0-9-0

update ap:release with latest work and builds from wp:release