Merge topic 'cpack-wix'

d15c910a45 CPack/WIX: Remove "candle" from tool-agnostic error message
ac25c645a7 CPack/WIX: Improve formatting of CPACK_WIX_CUSTOM_XMLNS expansion
54d09a2b3f CPack/WIX: Document WiX Toolset v3 tools
d2f4836f8e CPack/WIX: Prepare to provide version-specific WiX templates
438809d3ba cmCPackGenerator: Add option to FindTemplate to use alternate builtin path
4d661e3a92 cmMakefile: Reduce GetModulesFile caller allocations

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !9363