issue4568 - Evaluate Checkboxes on Modify-Page prior to uninstall
WIXBUG:4600 - fix VSExtension help custom action binaries.

Updates the help custom action binaries to be proper PE-files again.
Also rename the files to have a ".dll" extension to reduce chance of
munging in the future.
Merge https://github.com/firegiant/wix3 into develop
Merge pull request #173 from firegiant/develop

WIXBUG:4600 - fix VSExtension help custom action binaries.
VS2015 support
    Add VS2015 libraries to binaries and setup
    Add VS2015 support in build
    - Fix (or at least work around) warnings/errors introduced when using
    the v140 toolset.
    - Add VS2015 versions of native SDK libraries.
Merge pull request #174 from barnson/vs2015_support.3

VS2015 support
Merge branch 'develop' of https://github.com/wixtoolset/wix3 into develop
Add C++, C#, and VB CA templates to VS2015
Fix doc bug 4598 while backporting some things from wix4.
Add HttpExtension xsd to Votive.
Merge branch '4598' of git://github.com/rseanhall/wix3 into develop
Merge pull request #176 from rseanhall/4598

Fix doc bug 4598 while backporting some things from wix4.
Merge branch 'develop' of https://github.com/wixtoolset/wix3 into develop
Merge branch 'httpVotive' of git://github.com/rseanhall/wix3 into develop
Merge pull request #177 from rseanhall/httpVotive

Add HttpExtension xsd to Votive.
issue4568 - Evaluate Checkboxes on Modify-Page prior to repair
Fix bug in mbapreq where it wouldn't reload the bootstrapper if there was a mix of installed and uninstalled prerequisites.
Merge pull request #175 from barnson/VS2015.Templates.0

Add C++, C#, and VB CA templates to VS2015
Merge pull request #162 from to-pse/issue4568

issue4568 - Evaluate Checkboxes on Modify-Page prior to uninstall
WixBuild: Version 3.10.1124.0