LUN-687 -- add navigation paermission
LUN-687 -- new changes ... navigation still posiible from page list view
LUN-687 -- remove navigation checkboxes from page list if not has_set_navigation_permission
LUN-687 - merged
LUN-687 -- change to keep orignal formatting
LUN-687 -- change to keep original formatting
LUN-687 -- merged
LUN-687 -- fix call by adding True for can_set_navigation
Merge pull request #7 from pbs/LUN-687

Merge new permissions has_set_navigation permissions branch