[stools] Base system for content articles
[stools] Add search tools to featured articles management
[stools] Add search tools to categories management
[stools] Add search tools for menu items management
[stools] Add search tools to banners management
[stools] Add search tools to banner clients management
[imp] Create new field type JFormFieldPredefinedList
[imp] registrationdaterange, useractive, usergrouplist & userstate fields
[stools] Add search tools to users management
[imp] Add the option to specify a filter list of values for predefined list value
[stools][imp] remove always shown border from ordering and item count select boxes
[stools][imp] add full view + category + alias columns
[stools][imp] category + author alias + remove sidebar in content