Merge tag '0.4.4' into develop

Vist 0.4.4 on the world

 - Fix bug with /version/ links
Clean up header a bit
Document resolve-ns
Drop the (into {}) on namespace-search

This standardizes the output of namespace-search with regards to the
other API listing operations which simply yield seqs of named things
rather than a {[Name Thing]} map which is what this was doing.
Implement def?op=related

Fixes #152
Implement the store page for text/plain

Work on #151
Implement group-page for text/plain

Work on #151
Implement artifact-page for text/plain

Work on #151
Implement version-page for text/plain

Work on #151
Implement namespace-page for text/plain

Work on #151
Include URIs in results
Use latest lib-grimoire
Add doc-lib-grimoire to datastore
Bugfix: Installed handlers on wrong request type
Handle requests for old URLs from CIDER specially

Fixes #150
Merge branch 'release/0.4.5'

 - Bugfixes to various routes
 - #151
 - #150
 - Latest lib-grimoire
 - Missing API call