Issue #115: Upgrade to Solr 4.0.0
Upgraded the solr server application
Issue #129: Upgrade to hsqldb 2.2.9
Done.
Issue #128: Upgrade to Jetty 7.6.8
Done.
[misc] Improved search suggestions by not forcing to use more popular terms
"brest cancer" used to suggest "breast colon", since "colon" is more popular than "cancer".
[misc] Fixed possible bug with YesNoNA pickers when NA isn't present