tsconfig.json fix for 1.0.4 typings release

[msc117]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  these comments
• What is the current behavior? (You can also link to an open issue here)
  typing errors and duplicate identifier issues
• What is the new behavior (if this is a feature change)?
  point to moved typings/index.d.ts changed in 1.0.4 update

[PatrickJS]

thanks!