Added real vessel packing algorithm. Much more realistic than volume comparison.
Added several more constructers. Fixed Empty field. Fixed FitsAligned method.
Tuned formatting methods. Added more debug methods.
Use VesselsPack to store vessels. Fixed resource transfer system. Added check for docked vessel.

Also:
* removed VesselInfo class. Using StoredVessel instead.
* Hangar:
	* moved StoredVessel initialization into the constructor,
including VesselResources creation
	* added used_volume_frac fraction field
	* some cosmetic methods renaming
* moved fracStyle to Styels
* HangarWindow:
	* Added styled used volume representation
Cosmetic changes
More power consumption by Spaceport, less torque.
More powerfull thrust
Tuned hangar_spaces and launch_positions. Fixed dockingNode orientation.
Unity stuff
Added VesselsPack.cs
v1.0-rc4