GUACAMOLE-1411: Bump version numbers to 1.4.0.

guacamole-common/pom.xml

@@ -26,14 +26,14 @@
     <groupId>org.apache.guacamole</groupId>
     <artifactId>guacamole-common</artifactId>
     <packaging>jar</packaging>
-    <version>1.3.0</version>
+    <version>1.4.0</version>
     <name>guacamole-common</name>
     <url>http://guacamole.apache.org/</url>
 
     <parent>
         <groupId>org.apache.guacamole</groupId>
         <artifactId>guacamole-client</artifactId>
-        <version>1.3.0</version>
+        <version>1.4.0</version>
         <relativePath>../</relativePath>
     </parent>