DLNA Server

[webmaster442]

• [x] Server scans for media files in argument given folder
• [x] Build in memory DB from files. - Only filenames, but sort them to Audio, Video and images
• [x] Server responds to ssdp query correctly
• [x] Server serves descriptor xml
• [x] Server responds to browse query commands
• [x] DLNA headers properly set

[webmaster442]

DLNA headers properly set: https://github.com/LokiHonoo/Honoo.Net.UPnP/blob/master/Honoo.Net.UPnP/UPnPDlnaServer.cs#L239