Upgraded to current Rails 3.2.18. Adde httparty gem.
FOCUS-5622: updated for LWE 2.9 Secure Solr:

* pass along auth headers to solr server if present
* monkey-patched Blacklight 4.3 to take opts so :headers key can be
passed to RSolr
FOCUS-5622: better handling of solr api interaction
Reverted warbler to 1.4.0, updated rails to 3.2.19
FOCUS-5621: assets now server correctly

* jruby-rack 1.1.14 was the problem
* pinned us to jruby-rack 1.1.13.3