Move pom.xml to pom/pom.xml

- NetBeans recognizes the project as maven one if pom.xml is under the project directory

Author: junichi11

build.xml

@@ -23,7 +23,7 @@
     <property name="ossrh-server-id" value="ossrh" />
 
     <target name="update-version-number">
-        <replaceregexp file="pom.xml"
+        <replaceregexp file="pom/pom.xml"
                        match="(^    &lt;version&gt;).+(&lt;/version&gt;)"
                        replace="\1${version}\2"
                        byline="true" />
@@ -39,7 +39,7 @@
             <arg value="org.apache.maven.plugins:maven-gpg-plugin:1.3:sign-and-deploy-file" />
             <arg value="-Durl=${ossrh-staging-repository-url}" />
             <arg value="-DrepositoryId=${ossrh-server-id}" />
-            <arg value="-DpomFile=pom.xml" />
+            <arg value="-DpomFile=pom/pom.xml" />
             <arg value="-Dfile=${build}/${artifactId}-${version}.nbm" />
             <arg value="-Pgpg" />
         </artifact:mvn>

pom.xml renamed to pom/pom.xml

@@ -56,6 +56,12 @@
                     <autoReleaseAfterClose>true</autoReleaseAfterClose>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.netbeans.utilities</groupId>
+                <artifactId>nbm-maven-plugin</artifactId>
+                <version>4.5</version>
+                <extensions>true</extensions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>