Heretic2R R6

• Implemented unfinished vanilla compass logic (can be toggled with "Options" -> "Shortcut Keys" -> "Toggle Compass" key).
• Usability improvements in Start Server menu.
• Adjusted obj_corpse_ogle bounding box size to match model dimensions (the model was completely under the floor with original bbox size).
• Fixed shrines not re-activating in DM.
• Fixed a crash when trying to step over an entity while being blocked from above by other entity or world geometry.
• A bunch of cosmetic tweaks and fixes.