MainFrm: remove outdated UNREFERENCED_PARAMETER()
MainFrm: detect popup menu hiding more correctly

It generated false detection on ui preset change
MainFrm: reorder OnFilePostOpenmedia()

Fixes #3753
Resize on EC_VIDEO_SIZE_CHANGED only in MLS_LOADED

Should fix double resize when opening videos
Fix unchecked dynamic_cast warnings

CID 1130727-1130738
InfoBar: fix visual glitch on media change

Relayout() was doing nothing there
MainFrm: call RecalcLayout() where it makes sense

Eliminates visual glitch with InfoBar on media change
Output option page: Fix incorrect tooltip for VMR-9 (renderless).

Fixes CID 966031.
switch statements: Document intentional fall through.

CID 966027, 966028, 966029, 966030, 1109593, 1129656, 1130513, 1130514, 1130739.
Update to astyle v2.04.
Move old changelog entries to Changelog_old.txt.
Update MediaInfo to v0.7.65.
Update ZenLib to v0.4.29 r453.
MainFrm: fix graph closing

When called from OnOpenMediaFailed() and with the graph thread disabled
we tried to wait for graph thread synchronization event.
MainFrm: delay setting video output rect

Should fix all remaining visual glitches that appear while opening new
videos
MainFrm: fix auto-zoom for negative working areas

For example on displays positioned on the left side of the main one,
mpc-hc window tended to crawl to the right.
MainFrm: initialize status time immediately
MainFrm: respect minimum allowed sizes of panels
Include auto-hidden toolbars in OnGetMinMaxInfo()
Don't use IMadVRSubclassReplacement

This interface is not supposed to be used like that.
Thus, to provide mouse messages to madVR, go back to using
CMainFrame::WindowProc()