Updated modulefile and added metadata.json for 1.0.0 release.

Supported OS list should be checked in metadata.  CHANGELOG still
needs to be updated for 1.0.0 release.
Merge pull request #143 from mhaskel/1.0.x

Updated modulefile and added metadata.json for 1.0.0 release.
Update changelog and metadata for 1.0.0 release.
Merge pull request #154 from mhaskel/1.0.0-prep

1.0.0 prep