Now projectiles wont explode before they have been armed. Results in projectiles being able to collide with several objects before exploding.
Removed indentation fixes.
Update to turbulence PostFX  to improve the visual effect of being underwater.
Exposed blowUp method to console.
Merge pull request #387 from lukaspj/Projectile-Explosion-Change

Let projectiles collide with objects without being armed.
Merge pull request #450 from smally/turbulence_postfx_update

Replacement of turbulence PostFX improves visual quality of underwater scenes
Merge pull request #452 from eightyeight/expose-blowup

Expose ShapeBase blowUp method