modules.t: add -keep, use --testsuite for Test:: modules
Makefile.PL: add test targets: testmod testmodall testc testbc testcritical teststatus ...
C: use B::REGEXP::EXTFLAGS only > 5.011

should not have any effect, but I got some weird Moose error with 5.10
t/release-testing.sh --nogit not needed with -m
update module tests: no changes