Beta 17

CHANGELOG:

-Added numerous SFX (too many to list).

-Improved several preexisting SFX.

-Added opening cutscene for story mode.

-Improved cutscene for final boss' second phase.

-Added music for final boss' second phase.

-Improved VFX for final boss' second phase including improved boss hit/aura effects, boss attack trails, and musically-timed background switching.

-Fixed bugs related to menu transitions, save files, layering and timers.

-Improved menu transition for loading into the final boss' second phase from the level select menu.

-Added placeholder orb creation menu (there's nothing actually in it though).