Remove unnecessary hack. Fixes #69 and #71.
Travis support
Merge pull request #73 from robert-h-curry/new-sitetree-hack

Remove unnecessary hack. Fixes #69 and #71.
Extension and config fixes for 3.1
Merge pull request #72 from robert-h-curry/3.1-compatibility

Extension and config fixes for 3.1
Updating README and composer.json for 3.1 requirements