WebsiteManager now handles multiple files.
links to i.imgur are now converted into an url where a title maybe read from.
Merge remote-tracking branch 'kolpa/master' into website_enhanced
moved most of the startup into the OnRegistered function
Merge branch 'master' into website_enhanced

Conflicts:
	DeathmicChatbot/Program.cs
	DeathmicChatbot/WebsiteManager.cs
now detects double adding of a channel, supports !streamcheck and will try to reconnect if the connection is lost
streamcheck uses cache
Some basic reformatting and refactoring
[Tested] Merge branch 'website_enhanced'

Conflicts:
	DeathmicChatbot/Program.cs