add grib1to2 and grib2to1 to MANIFEST.in
add grib1to2 and grib2to1 to MANIFEST.in


git-svn-id: cea4f7fa037351ebc7eee911c4d637da5351d86c@399 68be0e0a-0922-11df-8158-c7cbc0dd6240

jswhit/pygrib,jswhit/pygrib