Temporarily update to signing plugin 1.0.1.2-SNAPSHOT

This version of the eclipse signing plugin has bugfixes needed to enable
the Indigo aggregation build to properly consume the Linux Tools p2
repository.  Also see [1].  Shamelessly taken from EGit commit
7bacd2cb4b21a94c521b3ad72e64d7a03925d366.

[1]
http://dev.eclipse.org/mhonarc/lists/cross-project-issues-dev/msg06044.html

Bug: 347591
Bug: 347594

Author: Andrew Overholt

pom.xml

@@ -55,6 +55,21 @@
       <id>maven.eclipse.org</id>
       <url>http://maven.eclipse.org/nexus/content/groups/public/</url>
     </pluginRepository>
+    <!--
+    TODO: need 1.0.1.2-SNAPSHOT of the signing plugin until bugfix for
+    https://bugs.eclipse.org/bugs/show_bug.cgi?id=347591
+    is available in maven.eclipse.org
+    -->
+    <pluginRepository>
+	  <id>intalio-dash-signing-plugin</id>
+	  <url>http://intalio.org/public/maven2</url>
+	  <snapshots>
+		  <enabled>true</enabled>
+	  </snapshots>
+	  <releases>
+	  <enabled>true</enabled>
+	  </releases>
+    </pluginRepository>
   </pluginRepositories>
 
   <profiles>

releng/org.eclipse.linuxtools.releng-site/pom.xml

@@ -50,7 +50,7 @@
          <plugin>
            <groupId>org.eclipse.dash.maven</groupId>
            <artifactId>eclipse-maven-signing-plugin</artifactId>
-           <version>1.0.1.0-SNAPSHOT</version>
+           <version>1.0.1.2-SNAPSHOT</version>
            <executions>
              <execution>
                <id>pack</id>