Fixed an issue where beans loaded from the Dispatcher Servlet config
were loaded twice, properly namespaced Spring applicationContext xml
files.
additional Spring context cleanup.  improved ui on advanced search
(select boxes have better interactions).  carriage return always fires
search if an input in one of the search boxes has focus.  

Fixed zoom to extent for shared cart, initial map zoom
added geocommons export code (wms only). 

bug fixes: fixed map navigation button bug (didn't toggle properly). 
fixed metadata download
Incorporated GeoCommons export into polling structure.  Fixed some
issues with pom.xml, spring xml config.
fixed kml, removed copy fields from SolrRecord object
autocomplete for originator.  updated jquery ui, some attendant bug
fixes
created ldap role mapper, since Tufts ldap doesn't have groups.  Created
jsonp servlet filter to return jsonp where needed. bug fixes.
Merge pull request #2 from chrissbarnett/master

login changes,etc.