fix db_concurrent_test
Merge remote-tracking branch 'hichame/up/master_rc8b'

Conflicts:
	tests/unit/Makefile.am
port of fix from 3.5.x for issue #3408 - getprocs64 on aix
solaris cf-ps support for extended command args column and zones
integrate rps into process_solaris
Add assert against mixing cursor and regular DB calls.

Only active in debug mode.
Redmine #5496: Fix enterprise_extension_test for ARM processors.

Because of function argument padding, the "char" argument is not
enough to trigger the stack inconsistency we are looking for in the
test. This also highlights that not all forms of stack corruption will
be detected when loading the plugin, it is just a safeguard.
cf-serverd: access "ifencrypted" shall respect "false" values, too

Until now, setting 'ifencrypted => "false"' would be treated same as
a "true" value.

Fixes: #5609
shrink ps_solaris to bare minimum