Use the inet data type for supermasters.ip on postgrsql.

Use pgsql’s inet data type for v4 and v6 IP addresses in the
supermasters table.

The guarantees that the address will fit, that the queries will
return the addresses in canonical format, and correctness in that
nothing other than an IP address can be stored in that column.

Signed-off-by: James Cloos <cloos@jhcloos.com>
move bindbackend to modules
fix pdnssec create-bind-db
move create dnssec db from backend to pdnssec
update buildscripts
move bind-dnssec.schema.sqlite3.sql.h to /pdns
nit
update .gitignore in bindbackend directory
fix tinydns generate-data.sh
Merge pull request #1080 from mind04/bind3

Bind backend is now a real module
Merge pull request #1062 from jhcloos/inet

Use the inet data type for supermasters.ip on postgrsql.
Rename tsig management commands for consistency
Change enable-tsig-key to activate-tsig-key
Fix names elsewhere too
Fix typo on deactivate-tsig-key
Update documentation