re-enabled centering icon
Merge pull request #176 from AlexanderPico/release-0-9-0

fixes fit2screen
Merge pull request #177 from AlexanderPico/release-0-9-0

reordered rendering; but no effect...
Merge pull request #25 from wikipathways/release-0-9-0

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