make dashboard compatible with jQuery 1.9

also get rid of those buttons from nettuts.

clean up code.
Merge branch 'master' of github.com:rapila/cms-base

* 'master' of github.com:rapila/cms-base:
  merge conflict, no changes, strange...
  Update dashboard-interface.js
  cleanup
  cleanup
  Update Settings.php
  fix initial selection / column name primary key
  Fix youtube links
  Use MAIN_DIR_FE, not MAIN_DIR_FE_PHP when linking webdir
  Fix serializeArrayKV for new jQuery
  fix language select for newsletter subscribers
  fix initial selection
  change detail after reviewing file