Conflicts:
VERSION
database/DBcellsrch.c
database/DBconnect.c
extract/ExtInter.c
lef/Depend
utils/Depend
Updated bplane branch with all changes to master since the bplane branch
was last modified.
hierarchical cells (namely a scaling issue with .sim file units).
More can be done to make the extresist command more user friendly,
but at least port connections as drivers appears to work.