Add advanced settings page.
CompositionObject: Copy only valid RLE data.

Use proper size type.
Fix warning C6230: Invalid HRESULT use as boolean.
MainFrm: Fix initial window size when using non-default mode.

Simplify the code.
MainFrm: Adjust minimal logo size.
Rasterizer: Construct pairs in place.

- emplace_back() is almost 3 times faster in this specific case.
- Various cosmetics.
RTS: Support floating point values in drawing commands.

Fixes #4504
installer: Add a link to open the wiki toolbar images page after installation.
installer: Remove the mutex check and use the default `CloseApplications`.

Now the installer will not perform a check when it starts for running process(es). Instead, it will warn just before the actual installation and offer to close any running process(es).

See also http://www.jrsoftware.org/ishelp/index.php?topic=setup_closeapplications and http://www.jrsoftware.org/ishelp/index.php?topic=setupcmdline
installer: remove a few default setup values and reindent.
Override default `WM_QUERYENDSESSION` and `WM_ENDSESSION` handlers.
Update Readme.md.
Fix typo.