Add in basic IPv6 support.
Typo of variable.
Add com2sec6.
Fix tests to pass for IPv6.
Add documentation and change com2sec6 to use public string by default.
Add additional IPv6 tests.
Update tested on list.
Merge branch 'ipv6' of https://github.com/erinn/puppet-snmp into erinn-ipv6
Merge branch 'erinn-ipv6' into develop