Use XML based app files

pom.xml

@@ -469,15 +469,15 @@
 						<groupId>org.codehaus.mojo</groupId>
 						<artifactId>exec-maven-plugin</artifactId>
 						<executions>
-							<execution>
+							<!--execution>
 								<id>app2xml</id>
 								<goals><goal>exec</goal></goals>
 								<phase>generate-sources</phase>
 								<configuration>
 									<executable>src/main/xproc/text/app2xml.py</executable>
 									<workingDirectory>src/main/xproc/text</workingDirectory>
 								</configuration>
-							</execution>
+							</execution-->
 							<execution>
 								<id>xproc</id>
 								<goals><goal>java</goal></goals>