Updated blocklists

Good day,

I have updated the blocklists to use only those which are still maintained, and which do not require registration.
Removed:
- [AMaDa](http://amada.abuse.ch/blocklist.php) (Unmaintained)
- [Malware Patrol](http://www.malware.com.br/lists.shtml) (Requires registration.)

Added:
- [Feodo Tracker](https://feodotracker.abuse.ch/blocklist)
- [Palevo Tracker](https://palevotracker.abuse.ch/blocklists.php)
- [ISC Suspicious Domains High Sensitivity](https://isc.sans.edu/suspicious_domains.html)
  - This has the fewest false positives as compared to low, or medium sensitivity lists which they also provide.

I also removed `--no-check-certificate` from the wget options as I believe it is necessary to check certificates which are currently known to be functional. (At least during my tests.)