Change slice URLs to include /slice/ to prevent collisons
Added list of concepts to dataset definition JSON and XML
Removed unnecessary concepts-path fn
Could not take the 404 for /favicon.ico any more
Rename slice resource to slice-query
Added slice metadata
Merge pull request #69 from cndreisbach/json-salad

Added new endpoints and data for API
Add MSA concept
Merge pull request #70 from cndreisbach/hmda_msa

Add MSA concept