Format all sources with Uncrustify

Formatted all sources and manually tuned some files to make the code look
neater.

maxscale-system-test/bug507.cpp

@@ -98,17 +98,15 @@ int main(int argc, char* argv[])
     char last_insert_id1[1024];
     char last_insert_id2[1024];
     if ((
-            find_field(
-                Test->maxscales->conn_rwsplit[0],
-                sel1,
-                "@@server_id",
-                &last_insert_id1[0])
+            find_field(Test->maxscales->conn_rwsplit[0],
+                       sel1,
+                       "@@server_id",
+                       &last_insert_id1[0])
             != 0 ) || (
-            find_field(
-                Test->repl->nodes[0],
-                sel1,
-                "@@server_id",
-                &last_insert_id2[0])
+            find_field(Test->repl->nodes[0],
+                       sel1,
+                       "@@server_id",
+                       &last_insert_id2[0])
             != 0 ))
     {
         Test->tprintf("@@server_id fied not found!!\n");