Cleanup of symbolic_targets.mk
Cleanup of symbolic_targets.mk

Modules in alphabetical order.
Reorganized submodule targets.

8l/barrelfish,utsav2601/cmpe295A,BarrelfishOS/barrelfish,utsav2601/cmpe295A,8l/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,BarrelfishOS/barrelfish,utsav2601/cmpe295A,8l/barrelfish,BarrelfishOS/barrelfish,8l/barrelfish,kishoredbn/barrelfish,utsav2601/cmpe295A,kishoredbn/barrelfish,utsav2601/cmpe295A,8l/barrelfish,kishoredbn/barrelfish,kishoredbn/barrelfish,kishoredbn/barrelfish,kishoredbn/barrelfish,utsav2601/cmpe295A