Add webviewarchivehandler.cpp to manually maintained VC10 project file.

Closes #15427.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74705 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
revert nested event loop support for wxGTK1 because it causes applications hangs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74711 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Update OpenVMS compile support

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74712 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
patched for ICC

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>