release-lib: add option to use another package set
Merge pull request #4869 from abbradar/release-packageset

release-lib: add option to use another package set
acct: update from 6.6.1 to 6.6.2 and adopt it
clearsilver: update from 0.10.3 to 0.10.5
ettercap: update from 0.8.0 to 0.8.1 and adopt it
yodl: update from 3.03.0 to 3.04.00
checkstyle: update from 6.0 to 6.1
calibre: update from 2.9.0 to 2.10.0
dmd: fix 32-bit build and some nitpicks

CC #4976.