[javascript] fid form / onfailure behaviour If onfailure is specified, it should be done _before_ any default / standard CW action is done. The callback signature should be the same as the onsuccess one. If the onfailure callback returns true, the default actions will still take place afterwards, otherwise (i.e. return false), the processing stops directly after the callback.

add set_page_data as well

#473188: missing get_page_data when patching bare db-api request for web compatibility

benefit from the orm for clearer code