Merge pull request #59 from marcesher/master

Revert the addition of liberator ring-response to not-found messages; it...
Fix bug with where queries with >= 4 clauses
Quiet down log
Fix issue with malformed query strings resulting in an exception
Fix issue where grouping without an aggregate value results in empty results
Make long list of dimensions more palatable
Merge pull request #61 from cndreisbach/bug-252

Fix issue with malformed query strings resulting in an exception
Added configleaf source path
Added JSONP responses for concept data
Merge pull request #60 from cndreisbach/bug-298

Fix bug with WHERE queries of >= 4 clauses
Merge pull request #63 from cndreisbach/concept-jsonp

Added JSONP responses for concept data
Merge pull request #62 from cndreisbach/bug-299

 Fix issue where grouping without an aggregate value results in empty results
Added AVG aggregation
Add ability to query COUNT() without specifying a column
Merge pull request #64 from cndreisbach/avg

Added the ability to aggregate with AVG
Merge pull request #65 from cndreisbach/better-count

Add ability to query COUNT() without specifying a column
Add statsd configuration; begin wrapping methods with metrics gathering
Add statsd, along with a first shot at meaningful counters and timers. A future refactoring should see these in-line metrics pulled out and applied more elegantly