Updata for DR2.
Updata for DR2.

- 1 degree striping in DEC.
- update cori job script paths.
- DCHISQ is a 5 vector.
- new columns (SHAPEXXX and DECAM_PSFSIZE)
- drop brickprimary (too early too early better kept this for debugging..)

legacysurvey/legacypipe,legacysurvey/legacypipe