Merge pull request #58 from palaa159/develop

add window.onload
Interactive portraits on detail page supports group projects, fixed image preloading
updates/bugfixes/optimzation for hero

- new fss screenshot replaces old purple one for static background
- fade in animated hero instead of instant appear for a smooth transition
- stop animating hero when you've scrolled past it - save CPU!!
Merge branch 'develop-bugfixes' into develop
made the requested copy changes by curation to the symposium page
Merge branch 'develop-curation-updates' into develop
Merge pull request #59 from qkbock/develop

Develop