Connector for Q-Feeds threat intel

Plugin Changelog
================
1.4

* Feature: Added DNSCrypt-Proxy

1.3

* Widget: Added license info 
* Events: added source and destination port

1.3

* Events: added source and destination port
* Events: added quick Threat Lookup button to dest-ip and source-ip fields
* Widget: Added license info

1.2

* fix rule parsing
* bug fixes for unbound blocklist support

1.1

* remove QfeedsStatus as the new table defaults are different
* add unbound blocklist support
* Events: fix empty interface names

1.0

* Intial release version
