Split of DNS Reverse Lookup from enum_dns
Added new line to end of file.
applied fixes
Fix spelling problems
more changes to description and name
Typo word module does not go in the name.
Merge branch 'darkoperator-dnsenum2dnsreverselookup' of https://github.com/darkoperator/metasploit-framework into darkoperator-darkoperator-dnsenum2dnsreverselookup
cleanup for dns_reverse_lookup