removing modified check when updating nodes, server takes care of
sending only nodes that had been modified
Merge remote-tracking branch 'origin/development' into connection
adding connectionnode , combining update tags method
adds test for connections
Merge pull request #167 from openworm/connection

Connection
set url of loaded simulation when launching modal if simulation is
loaded already
Merge remote-tracking branch 'origin/development' into dynamic_visualizations
Merge branch 'dynamic_visualizations' of https://github.com/openworm/org.geppetto.frontend into dynamic_visualizations