Fix typo in "manage" resource definitions

v0.2.2 breaks the LWRP as there is a typo in `FalseClass`.

IMHO the strict type validation there is not even needed as normal truthy/falsy handling should be fine, but your cookbook. ;)

By the way, new features require a minor version number bump according to [SemVer](http://semver.org/). I've found it a good practice to try to follow SemVer also on cookbook versioning.