Spawn window in editor
Add radius and count parameters. Add spawn window layout
Merge branch 'master' of https://github.com/szamq/Urho3D
Locate scene node in editor by doubleclicking in the hierarchy window.
Code format, deleted commented code, tabs to spaces
Merge branch 'master' of https://github.com/urho3d/Urho3D
Use spawnRadius parameter in world space.