Merge pull request #37 from pfoltyn/master

SocketIO file upload + thumbnails generation
logo fix
logo fix for static sandbox page
Merge branch 'master' of https://github.com/Pioneer-Valley-Open-Science/infragram-js into fileupload
minor logo and other tweaks
Merge https://github.com/pfoltyn/infragram-sandbox into fileupload
route tweaks etc