Semantic versioning in tag, not just npm version.
Fix for IE8
Merge pull request #409 from herby/bump-npm-version

Semantic versioning in tag, not just npm version, so they match.
Merge branch 'master' into helios
Merge remote-tracking branch 'refs/remotes/ben/helios' into helios
Command and key binding refactoring
again and again, little dwraf do the same