* helm-bmkext.el: Use the sort function of bmkext.
* helm-bmkext.el: Add sort commands.
* helm-bookmark.el (helm-bookmark-map): bind them.
* helm-bmkext.el: Setup mode-line.
* helm-bmkext.el: Fix initialisation of mode line.
* helm-help.el: Update bookmark help.
* helm-bmkext.el: Fix man/woman filter.
Update copyrights.