fixes #1014
fixes #1033
fixes #1032
fixes #1031
fixes #1029
fixes #1028
* All users can now view deleted posts.
* Posts now have an is_banned flag for artist removal requests.  Basic users can not view banned posts but gold and higher can.
* Banning an artist both deletes the post and bans it.
* By default deleted posts are not filtered out of post searches at the sql level.
fixes #1006
fixes #1003
fixes #989
fixes #987
fixes #978
remove links that are not usable by anon users, fixes #977
fixes #975
fixes #972
fixes #971
fixes #965
fixes #959
fixes #948
Merge branch 'master' of github.com:r888888888/danbooru