Metadata v 1.1

**This pull request is still in progress and should not yet be accepted.**

This pull request addresses the version 1.1 schema updates.  

It involves creation of: 
* the v1.1 /schema 
* v1.1 example and template files 
* v1.1 schema catalog and single_entry json files
* v1.1 /metadata-resources

As well as updates to: 
* /catalog