replacing theme_cdm_preferred_image() function by generic base functionality for all portals
more consistent use of drupal_http_request() and proxy_content() responds always with HTTP headers + gzip compression
fixing php Notice
ahah-content, cdm_dynabox, footnotes as real jQuery plugins and fixing #3272 (Footnote highlighting and ahah content are not workin in Dynabox) by listening to custom DOM event
reintroducing captions for gallery thumbnail images
missing field added and sort order fixed for #3329 (Implement DNASample for Dataportal display)
fixing protologue icon url
fixing image url paths
fixing #3282 (Image viewer not working) and avoiding php Notices
fixing #3217 (specimens: rename label type into 'Basis of record') and solving a lot of problems like recursive page loading du to a bug in ahah-content.js and type in cdm service call, ...
copy drupal7 dataportal module into trunk