Mission Editor improvements
 * Trigger element drag and drop
 * Save/load compatibility
 * Fire state/move state commands
 * Proper handling of pre-mission ready
 * Disable spaces in player names because it causes problems
 * Cleaner start script
Also includes an unfinished targeted command implementation
StartSetup: write 1v1 Elo to startscript in 1v1 games
Merge branch 'master' of https://github.com/KingRaptor/Zero-K-Infrastructure