add starting and connecting to multiplayer server
multiplayer command syncing work in progress
multiplayer command syncing beginning to work
support single player again
update planning notes
draw map in Update() instead of OnGUI()
wait for cmdAllReceived is multiplayer only, and small comment updates
use GUILayout to display text
add basic UI bar
group units in selection bar by root parent path
use LineRenderer to draw select box
use color constants more
draw unit path lines
destroy health bar GameObjects too