Fix wrong version in category.xml during build

Author: adangel

net.sourceforge.pmd.eclipse.p2updatesite/pom.xml

@@ -44,6 +44,20 @@
             </resource>
         </resources>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-clean-plugin</artifactId>
+                <configuration>
+                    <filesets>
+                        <fileset>
+                            <directory>${project.basedir}</directory>
+                            <includes>
+                                <include>category.xml</include>
+                            </includes>
+                        </fileset>
+                    </filesets>
+                </configuration>
+            </plugin>
             <!-- make sure that zipped p2 repositories have the fully qualified version -->
             <plugin>
                 <groupId>org.eclipse.tycho</groupId>

net.sourceforge.pmd.eclipse.p2updatesite/src/main/resources/category.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
-   <feature id="net.sourceforge.pmd.eclipse" version="4.9.1.qualifier">
+   <feature id="net.sourceforge.pmd.eclipse" version="${qualifiedVersion}">
       <category name="pmdForEclipse"/>
    </feature>
    <category-def name="pmdForEclipse" label="PMD for Eclipse">

pom.xml

@@ -113,6 +113,11 @@
 
     <pluginManagement>
       <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.1.0</version>
+        </plugin>
         <plugin>
           <groupId>org.eclipse.tycho</groupId>
           <artifactId>target-platform-configuration</artifactId>