Make group search in Directory use PEAR::DB
Make group search in Directory use PEAR::DB

No more direct SQL queries please.

bankonme/gnu-social,eXcomm/gnu-social,foocorp/gnu-social,charnimda/lgbtpzn-social,foocorp/gnu-social,studio666/gnu-social,faulteh/gnu-social,furtherfield/gnu-social,chimo/social,bankonme/gnu-social,furtherfield/gnu-social,furtherfield/gnu-social,studio666/gnu-social,eXcomm/gnu-social,eXcomm/gnu-social,foocorp/gnu-social,charnimda/lgbtpzn-social,bankonme/gnu-social,furtherfield/gnu-social,chimo/social,faulteh/gnu-social,eXcomm/gnu-social,studio666/gnu-social,Piratas/tortuga,Piratas/tortuga,chimo/social,faulteh/gnu-social,faulteh/gnu-social,charnimda/lgbtpzn-social,studio666/gnu-social,Piratas/tortuga,Piratas/tortuga,bankonme/gnu-social