ENH: Added blocklist.de reporting API action
DOC: when to use blocklist.de reporting

Taken from commit 1846056606d24abe4e7d3f2e1cf56407c65b9008
ENH: blocklist.de action added fail2ban version as user agent
ENH: blocklist.de action error on HTTP response code 4xx
BF: Add [Init] section to blocklist.de action
Merge pull request #477 from kwirk/blocklist.de

ENH: Added blocklist.de reporting API action