I upgraded to 7.2.0 but I'm getting a build error:

A numeric comparison was attempted on "$(TargetPlatformVersion)" that evaluates to "" instead of a number, in condition "'$(UseOSWinMdReferences)' == '' and ('$(TargetPlatformWinMDLocation)' == '' and '$(TargetPlatformIdentifier)' == 'Windows' and '$(TargetPlatformVersion)' > '7.0')". uLocate.Package
Fixed bugs and got it to compile.
Updated the web.config in the copy files. If you're pulling from this commit, you'll need to compare the web.config in the Umbraco Test Site to the one in the copy-files to make sure the upgrade changes are moved over.