- Reworked to use your match_domid suggestion and filtering

- Reworked to use your match_domid suggestion and filtering
- Aligned output and help to fit within 80 char limit
- User now deals in milliseconds instead of nanoseconds
- Fixed some missing parens in tests (I had pushed stale versions)
- Updated tests to deal with period/slice/latency in ms

root@bebop:~/xm-test.sedf/tests/sedf # xm sched-sedf
Name                              ID Period(ms) Slice(ms) Lat(ms) Extra Weight
Domain-0                           0      20.0      15.0     0.0      1      0

Signed-off-by: Ryan Harper <ryanh@us.ibm.com>