add poster relation #492
showUnauthorized handled properly #431

handled for all relations
add tags to gitignore (created using ctags)
solve recursion issue when recover password #496

Also add check on external authentication
 #149 remove obsolete help online
Merge branch '3-corylus' of https://github.com/bedita/bedita into 3-corylus
 #497 remove obsolete help online
#500 Addressbook fix
height of message Div don't affect clicks anymore
Conflicts:

	bedita-app/config/bedita.ini.php
#486 fix pagination using external search engines (like elasticsearch)
 bugfix helper tree, url
#506 / Section and area view should display all available relations
Merge branch '3-corylus'

Conflicts:
	bedita-app/config/bedita.ini.php