Added stub for Rifle Fire Sound
- tweaked fire rate on the rifle to match the Sound
- added placeholder rifle sound
Added EffectUtility
AutoEffect class
Improved efficiency of Pickups.
All untested, of course!
Merge remote-tracking branch 'origin/master' into alex
Merge remote-tracking branch 'origin/master' into alex
Converted some imported props into models.

Increased the awesomeness
Merge remote-tracking branch 'origin/master' into alex
Merge branch 'master' of https://github.com/AlexHayton/UnityTestProject2 into Rami
Merge remote-tracking branch 'origin/master' into alex
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Merge branch 'refs/remotes/origin/alex'
Improved the weapon script to handle multiple sounds
Merge remote-tracking branch 'origin/master' into alex
Improved effect management
Merge branch 'master' of https://github.com/AlexHayton/UnityTestProject2 into Rami
Improved powerups detection.

Also fixed the camera in LTD's scene.
Add more projects to main menu
imported models energy and healing pack but haven't tied them to code yet
- finished healing zone
- added new heal zone sphere model and changed old model to be used as area Shield
Improve enemy spawners