Add examples as optional build

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jci/trunk@1530396 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 5ae8d5b..ee74e9e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,6 +60,12 @@
                 <module>compilers/jsr199</module>
             </modules>
         </profile>
+        <profile>
+            <id>examples</id>
+            <modules>
+                <module>examples</module>
+            </modules>
+        </profile>
     </profiles>
 
     <developers>