Add "maintainer" as keys for property based configuration.

Related to #117 and #129

doc/manual.md

@@ -871,7 +871,9 @@ values in the `<build>` and `<run>` sections.
 * **docker.restartPolicy.name** Container restart policy
 * **docker.restartPolicy.retry** Max restrart retries if `on-failure` used
 * **docker.user** Container user
-* **docker.volumes.idx** defined a list of volumes to expose when building an image
+* **docker.volumes.idx** defines a list of volumes to expose when building an image
+* **docker.tags.idx** defines a list of tags to apply to a built image
+* **docker.maintainer** defines the maintainer's email as used when building an image
 * **docker.volumesFrom.idx** defines a list of image aliases from which
   the volumes should be mounted of the container. The list semantics
   is the same as for links (see above). For examples

src/main/java/org/jolokia/docker/maven/config/handler/property/ConfigKey.java

@@ -56,6 +56,7 @@ public enum ConfigKey {
     USER,
     VOLUMES,
     TAGS,
+    MAINTAINER,
     VOLUMES_FROM,
     WAIT_LOG("wait.log"),
     WAIT_TIME("wait.time"),

src/main/java/org/jolokia/docker/maven/config/handler/property/PropertyConfigHandler.java

@@ -69,6 +69,7 @@ private BuildImageConfiguration extractBuildConfiguration(String prefix, Propert
                 .registry(withPrefix(prefix, REGISTRY, properties))
                 .volumes(listWithPrefix(prefix, VOLUMES, properties))
                 .tags(listWithPrefix(prefix, TAGS, properties))
+                .maintainer(withPrefix(prefix, MAINTAINER, properties))
                 .build();
     }
 

src/test/java/org/jolokia/docker/maven/config/handler/PropertyConfigHandlerTest.java

@@ -138,6 +138,7 @@ private void validateBuildConfiguration(BuildImageConfiguration buildConfig) {
         assertEquals(a("8080"), buildConfig.getPorts());
         assertEquals("registry", buildConfig.getRegistry());
         assertEquals(a("/foo"), buildConfig.getVolumes());
+        assertEquals("rhuss@redhat.com",buildConfig.getMaintainer());
 
         validateEnv(buildConfig.getEnv());
 
@@ -234,6 +235,7 @@ private String[] getTestData() {
                 k(FROM), "image",
                 k(HOSTNAME), "subdomain",
                 k(LINKS) + ".1", "redis",
+                k(MAINTAINER), "rhuss@redhat.com",
                 k(MEMORY), "1",
                 k(MEMORY_SWAP), "1",
                 k(NAME), "image",