Vending machines don't vend on suspended accounts
Fixes Runtime Error, doesn't query for PIN on lowest account security level
Cans now actually make use of the new 4x4 grid
Moves paperbin to OBJ_LAYER - 0.1 to prevent clipping
Fixes some doors in Engineering to make use of Engineering-Access rather than Power-Equipment. Adds Security EFTPOS device to HoS' office.
Merge pull request #5713 from Hubblenaut/master

Economy and Engineering Access Fixes