removed setTimeout() hacks for image render, calls server to run simulation, queues server requests
removed setTimeout() hacks for image render, calls server to run simulation, queues server requests

mkeilman/sirepo,radiasoft/sirepo,radiasoft/sirepo,radiasoft/sirepo,mrakitin/sirepo,radiasoft/sirepo,mrakitin/sirepo,mkeilman/sirepo,mrakitin/sirepo,mrakitin/sirepo,mkeilman/sirepo,mkeilman/sirepo,radiasoft/sirepo