Updated Demo build to 0.2.2

-Fixed a typo in Sean Myer's PDA
-Fixed an issue where occasionally music tracks would hard cut instead of fading out
-Improved some environment sounds. Fixed some that were not playing when they should've.
-Small tweaks to a few audio volumes.
-Tweaks to AI for the first enemy
-Fixed an issue in the first chase where the monster would get stuck on a corner right away,  causing acceleration to bug out.
-Modified sounds for surgical robot
-Removed a bit of redundant objective text