EDIT

solving #3049 (taxontree cache table missing in palmae and cichorieae)

no longer installing overlay module by default

avoiding form validation error after changing the cdm data source

increasing http request timeout as preliminar solution to comment 1 in #3489 (dataportal must not always load all descriptionelements for the general tab)

refactoring for clearer codebase and improving the scroll to focused node function

major improvement in cdm_taxontree.js, fixes #3487 (long running java script in cdm_taxontree causing bad performance in all browsers and warnings in IE)

fixing js errors for IE7 and upgrading CSS3PIE

fixing bug related to the name page

#3309 (taxon page tab keys: redirect if only one key) implemented

sort order improved: fixing #3361 (Show references for keys correctly)