[access.ajxp_conf] Fix delete user & delete role
[access.fs] Fix ls & copy actions rights
[gui.ajax] Action : specify a forbidden extension in allowedMimes by using "^ext"
[action.share] Better reload minisite configs
[editor.diaporama] Handle window.ajxpMinisite config (hide metadata panel)
[editor.soundmanager] Openable previewer
[editor.video] Openable previewer