Uncrustify maxscale

See script directory for method. The script to run in the top level
MaxScale directory is called maxscale-uncrustify.sh, which uses
another script, list-src, from the same directory (so you need to set
your PATH). The uncrustify version was 0.66.

maxscale-system-test/mxs1949_warn_user_injection.cpp

@@ -7,7 +7,7 @@
 
 #include "testconnections.h"
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
     TestConnections test(argc, argv);
     test.check_log_err(0, " No users were loaded but 'inject_service_user' is enabled", false);