Format all sources with Uncrustify

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

maxscale-system-test/fwf2.cpp

@@ -5,11 +5,11 @@
  * - execute queries from fw/denyXX, expect Access Denied error (mysql_error 1141)
  * - repeat for all XX
  * - setup Firewall filter to block queries next 2 minutes using 'at_time' statement (see template
- *fw/rules_at_time)
+ * fw/rules_at_time)
  * - start sending queries, expect Access Denied now and OK after two mintes
  * - setup Firewall filter to limit a number of queries during certain time
  * - start sending queries as fast as possible, expect OK for N first quries and Access Denied for next
- *queries
+ * queries
  * - wait, start sending queries again, but only one query per second, expect OK
  * - try to load rules with syntax error, expect failure for all sessions and queries
  */