typo fix

Signed-off-by: Illori <illori@simplemachines.org>
Merge pull request #753 from illori/typo_fix

typo fix
! Fix duplicate row and remove 'ENGINE=MyISAM' from a query
! PostgreSQL doesn't support unsigned ints...
! ip needs to be bigint since Postgres doesn't support unsigned ints
Fix unsigned int issues in upgrade files...
upgrade_2-0_postgresql isn't used when upgrading from 2.0...
Merge pull request #754 from Oldiesmann/release-2.1

PostgreSQL fixes
Merge pull request #755 from Arantor/release-2.1

! More of the admin panel overhaul and some other stuff.