Many Bugs Were Harmed

Lots of minor improvements that make a big difference in the gameplay.

List of changes:

• Thompson audio glitch fixed
• All weapons now have reloading sound effects
• No longer get stuck aiming if firing or hurt
• adjusted the rifle and shotgun placement so they fit better in the hand
• minor improvements to enemy brain
• controls for gamepad changed
• store and bank menus updated
• added scope mechanic to the store.