Revert "TESTING: made pad_factor a factor 2 largerfor testing (see discussion here: https://github.com/rmandelb/great3-private/pull/53#issuecomment-24273549)"
Revert "TESTING: made pad_factor a factor 2 largerfor testing (see discussion here: https://github.com/rmandelb/great3-private/pull/53#issuecomment-24273549)"

This reverts commit 575005b9fa63cfcfbab5ba60653634d32536a5d3.

lsst-dm/great3-public,barnabytprowe/great3-public