New demo version - fixing small annoyances in building bases

The demo is being played a lot the past few weeks, so the current changes are focused on removing small annoyances that you tend to notice from time to time when playing more than a few minutes.

• When placing a building there is now a visual indicator that shows the forward direction. This will make it more clear how the building needs to be turned to get it in the right orientation.

• Builder turrets will stop firing when there are not enough resources.

• Builder turrets will change targets when resources are not available for their current target.

• Builder turrets will prioritize partially completed buildings when picking a target to build

• Changing settings will now also make a click sound with the continuous settings (volume ect.)

• More forward oriented 'first person camera preset' added to the spectator camera

• Anti Missile projectiles no longer do significant damage on normal units.

• Locked build items will have their cooldown reset of the unlock power threshold is not met anymore.