Improved Tactician Gunner prox mine detection in missionpack DLL.
Implemented Zaero modifications (can be pushed off ledge) to exploding barrels in missionpack DLL.
Changed incomplete vector parsing check in ED_ParseField() to a warning instead of an error in all game DLLs.
Renamed "cursor" cursor_t struct to "ui_menucursor".
Renamed "currentweaponmodel" char pointer to "ui_currentweaponmodel".
Added shutdown functions for console, screen, and UI.
Overhauled slider menu control to show cvar value and simplify implementation.
Changed RGB color increment for railtrail in effects options menu from 16 to 4.
Changed default values for cl_railgreen and cl_railblue to be multiples of 4 to match increment of menu sliders.
Moved misc utility functions in ui_subsystem.c to ui_utils.c.