update __resolve_address method

added IPv6 addresses resolve
added address check and hostname resolve section

method split and some refactoring.
variable name fix in address check and hostname resolve section

just in case to avoid confusion about :
self.ip_resolved and self.resolved_ip
added ipv6 address format compatibility to scp

now it's like
[ipv6]:/path/to/file
fixed markup and updated collector.py from main repo
Update collector.py
fixed vim's monkey tricks.
added exception if interval parameter is in wrong format
Merge pull request #67 from netortik/master

update __resolve_address method