Use Net_LDAP3
Fix missing out on the correct sorting
Correct reference to old function get_dn()
Merge pull request #207 from kanarip/dev/net_ldap3

Merge Net_LDAP3
Do not log ldap bind passwords
Update changelog
Don't change alignment for regular labels with input and text
Fix invalid Content-Type header when send_format_flowed=false (#1489992)
Merge branch 'master' of github.com:roundcube/roundcubemail
Fix default vacation status (#1490019) - improve error message
Make possible to skip some elements from subject cell when creating text for drag layer