Version 1.0.3

Made the following changes:

• Reworked UI into two panels at the bottom of the screen
  
• Cargo now tucks into (under) the submarine sprite when picked up
• Changed how camera works depending on size of level
• Added cargo delivery sound (temp)
• Changed torpedoes to infinite supply
• Changed torpedo indicator on UI to animated loading and firing, with "Ready!" notice when torpedo is ready to fire