Maven: Where to put generated resources for tomcat-maven-plugin?

I have CSS and JavaScript files in src/main/webapp directory of my project. I want to join add joined and minified version of these resources to my WAR file and to the place where tomcat-maven-plugin picks it up.

I used yuicompressor-maven-plugin to create the files and put it to ${project.build.directory}/${project.build.finalName}. It works great for maven package and those resources make their way to WAR file, but somehow tomcat-maven-plugin does not see those at all. Should I use a different directory for it?

My pom:

    <plugins>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>tomcat-maven-plugin</artifactId>
            <version>1.1</version>
            <configuration>
                <path>/MyApp</path>
                <warDirectory>${project.build.directory}/${project.build.finalName}</warDirectory>
            </configuration>
        </plugin>
        <plugin>
            <version>2.5.1</version>
            <inherited>true</inherited>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
                <optimize>true</optimize>
                <debug>true</debug>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-resources-plugin</artifactId>
            <version>2.5</version>
            <configuration>
                <encoding>UTF-8</encoding>
            </configuration>
        </plugin>