dynamic linking fixes
error checking and build cleanup
start local maxscale process before diving into subdir tests
ported readwrite test script to autotools test framework
enforce serial test harness, create rwsplit test Makefile
use AC_DEFINE_DIR() macro to add directory paths to config.h
removed obsolete / deprecated --language option handling
make testhash test work
missing files to make tests actually work after checkout
result files needed for readwrite split tests
"make check" related .gitignore additions / cleanups