Redo some form stuff to make it easier to choose the next form when chaining; and add some new chaining options. This commit will require you to visit admin/build/modules to reset the menu or the UI will stop working.

#249489: Remove extraneous, incorrect #description from "transform spaces to dashes" which is pretty descriptive on its own.

#249738: add "select count(*) from(...) as count_alias" after db_rewrite_sql because db_rewrite_sql seems to mess up with the subquery

New filter for published or can view published nodes; also analyze check to see if node views have a published filter if they have no access control.

#247885: user name filter (and taxonomy term filter) did not check for blank string and caused bad query when updating