Make List_Switch more flexible

Now it's possible to use ItemPage as largeContent instead of subcomponent
of Preview. This is for example used when ItemPage creates subpages on
it's own.
Improve Make List_Switch more flexible
Make width of list admin adjustable
Lower width of list in Editable Items
Bugfix class for ResponsiveEl
Add useHistoryState-plugin to plugins. (not only create)
Try to load item if not existent
Improve saluation_polite when there is no gender
Revert "Try to load item if not existent"

This reverts commit 7885e21277360abc34165b358fa7b597a50fa6e6.
add sessionToken to json login result
don't validate sessionToken when logging in or out

makes it possible to use this as api
improve Ext4 controllers

- add default actions
- add Grid InlineEditing
- add EditWindow
add delete action for in form when using FromToGrid binding
improve ext4 grids: add support for paging toolbar and basic filter
add support for query filter that searches defined columns
Add loginUrl to use in user mails
Activation Mail more understandable now