change def mon timeout to interval/2
use max constant for max_ttl
free admin_state vscf when done
New plugin_extfile

This is similar to admin_state (same file format, anyways), but
tailored for the mass importation of monitoring results from other
sources via an external textfile.  Seems prudent to add such a
thing at this stage, or else some will be inclined to abuse the
admin_state file for this.
speed up test_log_output delays
testsuite_nodelay mode for mon results
basic admin_state tests
fix trivial leak in dcinfo
fix allocation size for admin timer
valgrind suppression for ev_stat issue