Fall back to executable file name in wxApp::GetAppName().

This is especially useful when wxWidgets is used as part of another library
and is not initialized with the real argc/argv containing the application
name.

Closes #16615.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78009 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add support for 'z' size format specifier.

Assume that non-MSVC compilers support it directly and use 'I' for MSVC.

Closes #16596.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78010 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Update MSVS 2010+ remarks in wxMSW installation notes.

Document wx_local.props instead of the old and not existing any more
wx_vcN_local.props.

Also mention that wx/msw/setup.h can be linked to wx/msw/setup0.h instead of
being a copy of it.

Closes #16597.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78011 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix vertical cell alignment in wxDataViewCtrl in wxGTK.

Pass the alignment used when creating the column to the renderer.

Closes #16035.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78012 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix calling wxFileHistory::Load() more than once.

Don't add all the items in the history to the menu again, remove the old ones
if we had already added them.

Closes #16588.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78013 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775