ZVISION: Document some of the ActionRegion effects
ZVISION: Resolve some TODOs
ZVISION: Fix frame rate for RLF videos and remove hack in AnimationNode

_frameTime refers to msec, not ticks
ZVISION: Remove dead code
ZVISION: Use the search manager to open files in console commands
ZVISION: Remove dead code, and fix bad usage of assert()

Since some compilers, like MSVC, strip out asserts in non-debug builds,
it's a bad idea to perform active commands within assert() statements.
In this particular case, the engine would attempt to open a file in an
assert statement
ZVISION: Document where MIDI commands are used
ZVISION: Move the menu code together with the other scripting code
ZVISION: Normalize and cleanup all the menu-related enums
ZVISION: Slight cleanup
ZVISION: Move the save manager together with the other file classes
ZVISION: Reorder the detection entries
ZVISION: Remove some unused actions. Cleanup
ZVISION: Rename _halveDelay to _doubleFPS, to match its config setting
ZVISION: Move some event/rendering code out of the main engine code
ZVISION: Fix a warning
ZVISION: Move more graphics code out of the main engine code
ZVISION: Implement auto-saving
ZVISION: Correct the script names of the location-specific cheats
ZVISION: Remove duplicate blitting code for images and animations