Simplified and unified agent model file syntax. Added PhysicsModel damping control to ModelAdapter.
Updated doc
Fixed Editor window positioning at startup. Added default naming of agent loaded by file.
Implemented PropertyGridPropertyValueType::String and corresponding control, and tested it by adding a control on an agent's name.
Renamed MyGUIFileTreeDataSource.h to MyGUITreeControlDataSource.h
Added eventTreeNodeExpandCollapse event to MyGUI::TreeControl
Switched UIPanel::mMyGUIData.treeControlDataSources to a {widget:dataSource} map for easier retrieval
Fixed fileSystem resources nodes state saving
Added missing agent tag deserialization in Level::loadAgentFromSerialization, and minor changes.
Updated doc with model and agent file formats