Make unmanaged components first-class
Fix jerkiness in client
Implement basic Missile and MissileLauncher
Load unmanaged component types on demand
Make Entity deliver messages to component in order of creation
Make sprites work with TexturePacker's trimming
Implement Textbox
Only clear leaf node in update tree
Asset import
Enable building to take damage and get destroyed
Use rocket sprite for rocket
Allow rocket launching
Make Text pickable