Update 4.0 plan for 4161.
Plan 4161 for 4.0.
Merge pull request #35 from rseanhall/4161

Update WIP for 4161
Correct typos
Integrate feedback on documentation.
Merge pull request #36 from firegiant/master

Integrate feedback on documentation.
Add WiX v3.9 stable redirects.
Announce WiX v3.9
Updated link to latest Installer documentation

Old link was pointing to a "Content Moved" website, so I updated to link to point to the latest version.
Merge pull request #37 from jozefizso/patch-1

Updated link to latest Installer documentation
Fixed small typo
Merge pull request #38 from jozefizso/patch-1

Fixed small typo