ATMAN beta v0.5.2

Changelog

• Added main menu music https://soundcloud.com/damien-eadha/thingodeal
• Three new additions to the soundtrack
  • Averij - Dimension Ascension https://soundcloud.com/averijmusic/dimension-ascension
  • Averij - Journey Through the Underworld https://soundcloud.com/averijmusic/journey-through-the-underworld
  • Averij - Paragon (feat. Brutile) https://soundcloud.com/averijmusic/averij-paragon-feat-brutile
• Added elevator with sliding doors
• Added in-game icons for ghosts and elevator