holy WIP getting close on this
getting close...I think?
moved to own spec
Remove explicit temp directory setting from solr.xml

Removes explicit setting of temp directory in contexts/solr.xml, which
caused solr crash while starting on systems with bundled gems directory
not writeable by non-root.
Adds Solr stats
Adds stats docs to Readme
Refactors stats code to be more in line with facets
Adds reference support for stats facets
Fixes syntax error on Ruby 1.8.7
Fixes another 1.8.7 syntax error
Fixes remaining 1.8.7 issues
Small change to trigger new travis build
Accept non-string literals when ordering by function.
Merge pull request #503 from fivedigit/stats

Adds Solr stats support
Merge pull request #507 from mdx-dev/feature/order-by-function-types

Accept non-string literals when ordering by function.
README addition
cleanup to shrink the diff
pulled out essentially unused namespace, since the :as option when defining fields can pretty much achieve the same thing
get rid of custom restriction (so you can just use with, or even filter joins using .greater_than, etc), plus handle local_params a little more holistically
README update