I think you're good for the most part. Your single brake line should mount to the JK brake line at the T on the axle. You stock e-brake cables will attach to the new JK system.
Don't know about driveshaft as that would be custom to your setup.
MILD-'03 WJ - 4.0, 242, 3" OME HD, ProComp MX6s, 255/70/17 Revo2s on JK Moabs.
WILD-'04 WJ - 4.7, 242HD SYE, JK Rubi D44 E-Locker Rear, JK HP30 Front, 4" IRO Longarms Front, IRO A-Arm Rear, Bilsteins, LSR Incline Bumper w/ Warn M8000, 33" MTZ on Cragar Soft 8s.