Merge 1.5.5 changes back to master.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/pom.xml

@@ -32,7 +32,7 @@
     <parent>
         <groupId>org.apache.guacamole</groupId>
         <artifactId>guacamole-auth-jdbc</artifactId>
-        <version>1.5.4</version>
+        <version>1.5.5</version>
         <relativePath>../../</relativePath>
     </parent>
 
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>org.apache.guacamole</groupId>
             <artifactId>guacamole-auth-jdbc-base</artifactId>
-            <version>1.5.4</version>
+            <version>1.5.5</version>
         </dependency>
 
     </dependencies>