Fix reading of interpolated property ${bookshelf.storageType} in bookshelf/2-structured-data web.xml.
@@ -184,6 +184,24 @@ Copyright 2016 Google Inc.
<artifactId>appengine-maven-plugin</artifactId>
<version>${appengine.maven.plugin}</version>
</plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-war-plugin</artifactId>
+ <configuration>
+ <webResources>
+ <resource>
+ <filtering>true</filtering>
+ <directory>src/main/webapp</directory>
+ <includes>
+ <include>**/web.xml</include>
+ </includes>
+ </resource>
+ </webResources>
+ <warSourceDirectory>src/main/webapp</warSourceDirectory>
+ <webXml>src/main/webapp/WEB-INF/web.xml</webXml>
+ </configuration>
+ </plugin>
</plugins>
</build>
</project>
