dropletCollecting level control
Merge remote-tracking branch 'origin/master'

Conflicts:
	Droplet-csharp.sln
	Droplet.sln
	Library/CurrentLayout.dwlt
	Library/assetDatabase3
	Library/expandedItems
	Library/guidmapper
	Library/metadata/84/84a0bd02fcaa8874fa7b39532f8e40d3
	Library/metadata/d7/d7bde101cbba37946ba6e124f8cb9a83
	Library/metadata/fb/fba145b3bdc1e884588c1080da365c9d