Fix viewport meta tag
Merge pull request #3170 from tkrotoff/fix-viewport
Update history to reflect merge of #3170 [ci skip]
Simplified platform detection for Windows
Merge pull request #3177 from rpherbig/master
Update history to reflect merge of #3177 [ci skip]
Add appveyor configuration YAML.
Tweak appveyor.yml.
Tests should run now.
README.markdown: Add AppVeyor badge.