v2.3
build: don't install s390 dasd internal headers into /usr/include
maint: remove empty lines at end of file
maint: update all FSF copyright year lists to include 2010
maint: make PED_ASSERT and PED_DEBUG if-safe
dos: add a partition flag for diagnostics / recovery partitions
dasd: allow the use of a *regular* backing file
maint: more const-correctness fixes