#28625, Forum vocabulary does not handle standard vocabulary features correctly, removed these features by means of formapi, patch by profix898, with some love by dopry and chx

#56457 by chx: The search box that can be displayed by some themes (e.g. bluemarine) was not working.

#56089, $form['#redirect'] shouldn't be clobbered by the _submit return value., second try, patch by chx

#28625, further form API conversion of taxonomy.module and small bugfix in forms API, patch by profix898 and chx