rename board-utils to Viewport
watch to firebase only is sync activated
add min interval for upstream firebase syncing
remove console log output
introduce buffer to sync-service
remove unused code line
new shapes spread over layers
add additional layers when a threshold is reached
additional layer, still a bit buggy
disable unit tests on develop
calling draw only on shape
shape.draw() instead of layer.draw()
remove console.log stuff
foundation and wire up for follow up action
follow action works
focus only if invisible
active follow togglebar
active follow togglebar
toolbar to a consistent mode
Merge pull request #13 from amitit/develop

performance