added post mime type workers
added parameters to make it easier for post mime type workers
oops
Fix possible js error when concept not known
Hide property info if no metadata and readonly

[Delivers #73824578]
Add webgl not supported message if browser doesn't support webgl

[Delivers #73836472]
Stop sending huge messages when workspaceRemoteSave is called
add source url to backend
move proxyuser
add comments on why there is a ProxyUser object
remove lumify web dependency on lumify sql and fix setting creator in SqlWorkspaceRepo
Show sourceurl in toolbar if avaialble