thread function), and add some integrity checks

just like the -L and -T options for the standard VSL tools

different in different runs (worker thread returning data to free
lists)

we check for the rdkafka and zookeeper libs (otherwise binaries
depend on them that don't need them)

separately, since they may appear in the log in different orders

for systems that don't have them

activemq is enabled. Also check the library dependencies for Kafka
when Kafka is enabled.

into fixed buffers

THIS VERSION WILL NOT WORK!
But it builds successfully, and all of the 'make check' tests pass,
except for the regression test, which is currently commented out.

hope that github displays it correctly)