Feature: Control+F searches for factories

Feature: added rocket and launchpad models, launch animations, launch SFX

Improvement: some translations added and improved

Bugfix: truck miniwindow did not allow clicks on link, fixed

Improvement: upgraded and redesigned playtest map

Balance: science consumption adjusted for Rocket boosters

Bugfix: corrected bug where science production would be excessive after a science branch is finished

Improvement: added new science menu icons

Improvement: fixed factory textures

Bugfix: blueprints may be built even when missing some tech research

Improved: SFX improvements, better sound directionality

Bugfix: too many imports may be executed, even if they don't fit the destination werehouses

Bugfix: copied cells may remain on the map if the player exited before cancelling build

Bugfix: efficiency improvements introduced a bug that caused incorrect production lookup

Bugfix: fixes in related factory highlights