irc/smuxi: Updates to 1.1

• Removes the deprecated NDesk DBusSharp dependency and adds the supported DBus Sharp dependency.

Changes since 1.0.8:

• Revamped preferences dialog
• More emojis support
• More reliable Twitter support
• Bitcoin message patterns
• Mono 4 and newer support
• More translations
• More reliable link detection
• Adds CertFP support to authenticate against IRC services

Reviewed by: Mirco Bauer <meebey@meebey.net>