Bug Fixes
- disallow passwort reset if it's a ldap user (2e69224)
- error message for invalid max use count of reverse share (613bae9)
- share can't be created if an invalid email is entered in mail recipients (d5cd300)
- trim username, email and password on sign in and sign up page (77a092a)
- oauth: add
post_logout_redirect_uri
to OAuth logout redirect URI (#638) by @marvinruder