defining projectilePhysics class
defining hardpoint class
adding 7z files to gitignore
moving HullSection to its own file
adding two new fields to hullsection
adding hullintegritymesh definition
removing Side enum, can be inferred based off aimdir
removing mass specification for projectiles - to be later defined via json
defining ProjectilePathTracer class
uncommenting definition-exception
updating core project files
adding a few minor method definitions
fixing namespace collision of terrainmanager
Merge branch 'feature_12' into development