Bug 515269 - Cleanup parent pom.xml

Do not repeat <version> in <build> and always define <plugin> <version>
in <pluginManagement>.

Change-Id: I742b9223219445894cf64bacdbcb2fe8e32ad48d
Signed-off-by: Mikael Barbero <mikael@eclipse.org>
diff --git a/releng/org.eclipse.epp.config/parent/pom.xml b/releng/org.eclipse.epp.config/parent/pom.xml
index fa0e429..6fab79f 100644
--- a/releng/org.eclipse.epp.config/parent/pom.xml
+++ b/releng/org.eclipse.epp.config/parent/pom.xml
@@ -30,7 +30,6 @@
     <tycho.scmUrl>scm:git:git://git.eclipse.org/gitroot/epp/org.eclipse.epp.packages.git</tycho.scmUrl>
     <cbi.version>1.1.2</cbi.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <maven.resources.version>2.6</maven.resources.version>
     <maven.build.timestamp.format>yyyyMMdd-HHmm</maven.build.timestamp.format>
     <build>${maven.build.timestamp}</build>
     <!-- The location that is used to assemble the single EPP configuration p2 repository -->
@@ -87,14 +86,12 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-maven-plugin</artifactId>
-        <version>${tycho.version}</version>
         <extensions>true</extensions>
       </plugin>
 
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>target-platform-configuration</artifactId>
-        <version>${tycho.version}</version>
         <configuration>
           <includePackedArtifacts>true</includePackedArtifacts>
           <!-- The Parallel Package feature.xml includes a number of other
@@ -138,7 +135,6 @@
       <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>tycho-packaging-plugin</artifactId>
-        <version>${tycho.version}</version>
         <dependencies>
           <dependency>
             <groupId>org.eclipse.tycho.extras</groupId>
@@ -164,7 +160,6 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>1.8</version>
         <executions>
           <execution>
             <id>regex-property</id>
@@ -185,7 +180,6 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>1.4</version>
         <executions>
           <execution>
             <id>enforce-versions</id>
@@ -211,6 +205,16 @@
     <pluginManagement>
       <plugins>
         <plugin>
+          <groupId>org.eclipse.tycho</groupId>
+          <artifactId>tycho-maven-plugin</artifactId>
+          <version>${tycho.version}</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-enforcer-plugin</artifactId>
+          <version>1.4</version>
+        </plugin>
+        <plugin>
           <groupId>org.codehaus.mojo</groupId>
           <artifactId>build-helper-maven-plugin</artifactId>
           <version>1.8</version>