Update 0.8802 Alpha - Fixes

Another update with fixes and improvements for the previously released version 0.88
CHANGE LOG
Improvements
- Now modules which fall off from the NPC ships (due combat, for example), will have proper collisions with your ships as standard (non transparent) modules
Fixes
- Ship hotkeys now works properly on ships which have rotor or piston
- Fixed internal error when you are loading a ship with warp drive which previously had a target
- Remained science data in planets now properly save \ load
- Warp drive works again
- Engines now works correctly at x2 \ x4 \ x8 speed
- Fixed 1 second delay before engines of a new ship will be ready to use
- Fixed wrong symbol of silver, now it Ag, not Ar
- Fixed an impossibility to buy resource in a container which already contains the same resource
