More DNS-ping and email ping failtests.

+profiling output for "purging Database"
A try to speed up database resetting for testcases.
[Test-Configchange]: add http-ping-testing

domain.dnsmanage renamed to domain.manage (php script was updated)
domain.http new domain for http pinging
UPD: Update reference jenkins configuration.
UPD: rename dns-txt testdomain to "<string>._cacert._auth.domain.tld"
FIX: a bug that prevented a table from beeing truncated.
UPD: the text for the SSL test was wrong.
[test-config] FIX: the ssl-pinger+ add various tests for that.
UPD: Notify domainPinger by interrupting when work is ready.