Introduce the custom debian/control field 'XB-Plugin-Section' which will be used to categorize OMV plugins.

administration
- tools to administer omv
- shellinabox, gateone

backup
- backup/sync files or email
- backup, rsnapshot, imapsync, btsync

downloaders
- torrents, downloader, newgroups, etc
- nzbdron, nzbget, pyload, downloader, sabnzbd, transmissionbt

filesystems
- additional filesystems/pooling/redundancy
- aufs, greyhole, lvm2, mhddfs, unionfilesystems, snapraid, remoteshare, iscsitarget, zfs

gaming
- gaming servers, communication tools
- mcmyadmin, teamspeak3, mumble

multimedia
- media servers, streaming, live tv/recording
- minidlna, shairport, plex, subsonic, vdr, acestream

network
- network plugins dealing with dhcp, dns, routing, etc, serving content, php apps
- dnsmasq, nginx, wordpress, roundcube, pxe, route, forkeddaapd, ldap, mysql

remote
- remote access via various protocols
- openvpn, openvpnas

sharing
- sharing files
- owncloud, calibre

utilities
- misc utilities
- nut, anacron, autoshutdown, clamav, cups, hpraid, wakealarm, wol

virtualization
- virtualbox

git-svn-id: svn://svn.code.sf.net/p/openmediavault/code@1603 3c3d7b80-5828-415e-9f61-280b98178fff
Prevent the creation of shared folders that point to the same directory.

git-svn-id: svn://svn.code.sf.net/p/openmediavault/code@1604 3c3d7b80-5828-415e-9f61-280b98178fff