Created util.[ch] to hold common utilities.
jq now depends on oniguruma for regex support. Modified configure.ac accordingly. Added valgrind suppression file for oniguruma to prevent one-time and bounded leaks from causing tests to fail. Signed-off-by: Nicolas Williams <nico@cryptonector.com>
Remove some of @stagrlee's hard work since jq's testsuite is less silly than when he wrote the autotools config.