* feat: add privilege give/rescind hooks
action:privileges.categories.give/rescind
action:privileges.global.give/rescind
breaking change, privileges.categories.give/rescind and privileges.global.give/rescind use full privilege name for groups ie `groups:find` instead of `find`
* fix: tests, privileges renamed
* feat: add upgrade script to give mods privs
* feat: give all privileges when making a moderator
* feat: remove implicit privs
* feat: give global mods default privs
* feat: more priv fixes
* feat: use lodash
* fix: remove implicit mod priv from topic delete
* fix: more privs
* fix: posts.canEdit
* fix: canDelete and canEdit
* fix: tests, remove console.log
* feat: shorter functions
* feat: add tests
* fix: uids
* fix: redis random test fail