Asset Store Release

For Asset Store releases, pull the latest release into the asset-store-release branch.

• Remove the Travis directory
• Remove .editorconfig, .travis.yml and Doxyfile
• Remove integration tests (Scripts/UnitTests)
• Remove Sandcastle generator files (Scripts/Editor/Help)
• Remove Docs directory
• Generate html documentation by running SupportingFiles/convert-markdown-documentation.ps1
• Resolve all warnings
• Revise Watson Services section of README.html
  • Add <br /> before each * to break up services
  • Remove / before each url in the services
  • Append/index.html to each url in the services