OF-955 Update HSQL to 2.3.4 (#679)

* adjust LOGSIZE and WRITE_DELAY settings
 * did simple smoke test of install, stop, start, OK
 * observed some errors on shutdown within PubSub, noted in OF-955

build/lib/versions.txt

@@ -14,7 +14,7 @@ commons-pool2.jar                   | 2.4.2
 dom4j.jar                           | 1.6.1                                                        | BSD (http://www.dom4j.org/dom4j-1.6.1/license.html)
 concurrentlinkedhashmap-lru         | concurrentlinkedhashmap-lru-1.0_jdk5                         | Apache 2.0
 dbutil.jar                          | Jive Code, no release version.                               | GPL
-hsqldb.jar                          | 1.8.0.5                                                      | BSD (http://hsqldb.org/web/hsqlLicense.html)
+hsqldb.jar                          | 2.3.4                                                        | BSD (http://hsqldb.org/web/hsqlLicense.html)
 jcl-over-slf4j.jar                  | 1.7.7                                                        | http://www.slf4j.org/license.html
 jetty-annotations.jar               | Jetty 9.2.14.v20151106                                       | Apache 2.0, Eclipse 1.0
 jetty-continuation.jar              | Jetty 9.2.14.v20151106                                       | Apache 2.0, Eclipse 1.0

src/database/openfire_hsqldb.sql

@@ -389,8 +389,8 @@ INSERT INTO ofMucService (serviceID, subdomain, isHidden) VALUES (1, 'conference
 // The value is the size in megabytes that the .log file can reach before an automatic
 // checkpoint occurs. A checkpoint rewrites the .script file and clears the .log file
 // see http://www.hsqldb.org/doc/guide/ch04.html#hsqldb.log_size
-SET LOGSIZE 20
+SET FILES LOG SIZE 20;
 
 // This controls the frequency of file sync for the log file.
 // see http://www.hsqldb.org/doc/guide/ch09.html#set_write_delay-section
-SET WRITE_DELAY 1000 MILLIS;
\ No newline at end of file
+SET FILES WRITE DELAY 1000 MILLIS;