Demo version 0.1.6

Fixes:

• lots of dialog errors
• dozens of grammar errors
• the in-game music volume was accidentally connected to the "ambient" slider
• light meshes clipping through nearby walls
• a couple of footstep sounds on railings
• stuck crouch state bug (still not sure what caused it, but finally found a workaround).

Changes:

• added 3 more food cans, so one task can be completed more easily
• added a couple of new lines to a character (related to one of the newly added food cans)
• a couple of new dialog options and hints for the "Do Melvin a favor" task
• the notebook appears after you gave it to Lenny