Alpha 1.07

Change List

 * 1) Major performance optimization for large factories.
 * 2) Much faster vehicle rendering when zoomed out.
 * 3) Fixed bug where very high car output resulted in no market price for a car being low enough.
 * 4) Fixed the 'No room to TrashLowPriorityResource from stockpile' bug.
 * 5) Fixed the 'Route Pending!' bug.
 * 6) Possible fix for corrupt efficiency graph.
 * 7) Fixed bug where manufacturing slots showed as not connected to a stockpile until the first resources arrived.
 * 8) Added game-clock to top right menu.
 * 9) Quitting the new car design dialog now gives a unique default name and price to the design.
 * 10) Fixed bug where the warning notices on cars would persist until they encountered an empty conveyor belt.
 * 11) Fixed bug where right clicking on research screen could delete items in the factory.
 * 12) When a car is unable to move to the next (connected) slot, the message now tells the player which requirement is not met.
 * 13) Background sound FX in R&D screen reduced in volume.
 * 14) Fixed bug where some conveyor belt placements resulted in multiple placement sounds on top of each other.
 * 15) Fixes to the layout of some R&D and slot menu items.
 * 16) The warning and error notices in the factory now shrink to icons when zoomed right out.
 * 17) As a temporary quick balance measure, only 4 valves are needed for engines now!
 * 18) Fixed bug where supply stockpiles would not always fill correctly.