Removing subdirs, these cookbooks are fetched externally and placed in
cookbooks/, should not be in the repository.
Replaced the dreadful Haml templates with more sensible ERB ones!
First round of code cleanup/reorganization:
- getting rid of DOI logic (not dealing with works here)
- moving configuration logic into its own file in lib/
- removing various Solr-specific logic,
-  various misc. stuff
Added some docs to README