Added html to index renderers.
Merge pull request #21 from DavidSouther/feat/19/indexHtmlRenderer

Feat/19/index html renderer
removes unused fs module from TemplateWatcher
Merge pull request #22 from MatthewVita/master

removes unused fs module from TemplateWatcher
Added this.meta for AssetBuilder.
Merge pull request #25 from DavidSouther/feat/24/fsStatWatcher

Added this.meta for AssetBuilder.
Update README.md