[DF-1346] Added layers and forces to scene tree.
[DF-1332] Added  move/remove commands for particle layers and forces
Merge branch 'development' of https://github.com/dava/dava.framework into development

Conflicts:
	Tools/ResourceEditor/Classes/Qt/DockSceneTree/SceneTreeItem.cpp
Compile fix
Merge branch 'development' of https://github.com/dava/dava.framework into development
Small fixes
[DF-1346] Added new icons
Added getter for particle effect
Added view flag into introspection
[DF-1346] Added new command to manipulate with particle layers/forces structure
[DF-1346] Added drag&drop support for particle layers and forces
Merge branch 'development' of https://github.com/dava/dava.framework into development

Conflicts:
	Tools/ResourceEditor/ResourceEditorQtVS2010.vcxproj.filters
Merge branch 'development' of https://github.com/dava/dava.framework into development
Merge branch 'development' of https://github.com/dava/dava.framework into development
Merge branch 'development' of https://github.com/dava/dava.framework into development

Conflicts:
	Tools/ResourceEditor/Classes/Commands2/CommandID.h
	Tools/ResourceEditor/Classes/Qt/DockSceneTree/SceneTreeModel.h
	Tools/ResourceEditor/ResourceEditorQtVS2010.vcxproj.filters
Moved all custom qt controls into Tools folder
[DF-1346] Added context menu for effect entity.