Convert some bash-specific syntax to standard Bourne shell (RT #194).
set MINIVEND_FORCE_THREADS in the environment
merged changes 2.1 vs 22.214.171.124
+++ 126.96.36.199 +++
preparation to finally use storable
seems that the wrapper needs both PIDfile= and --pidfile
for catalog addition/removal
Move DEV_4_7_0 development branch to repository trunk.