v0.1.5 - Energy weapons & Hardpoints

First step towards ships with interchangeable parts. Each ship type will have predefined mounting place for weapons/rooms.

Changelog:

Feature: Energy weapon (model, projectile)
Changed: Introduce mounting spots (currently only weapon hardpoints) (currently, only technical, afterwards may be used by port shipyard to mount/replace part)
Changed: Use predefined weapons for ship
Bug Fix: Room gui wouldn't appear back if was hidden and disabled
Bug Fix: Calculate reward/loot from all ship parts, not only hull
Bug Fix: Incorrect room placement - causing smoke to appear elsewhere