Delegating install to Doc/Makefile

Doc/excludeFromRsync.txt

-VAADIN
-*.war
-.generated
-*.jar
-*.class
-WEB-INF
-gwt-unitCache

Makefile

@@ -28,10 +28,6 @@ clean:
 	mvn -T ${numCores} clean
 
 install:
-	if [ -w ${DESTDIR} ] ; then \
-           cd Doc/target/webhelp && rsync -av --delete --exclude-from=../../excludeFromRsync.txt * ${DESTDIR};\
-        else \
-           cd Doc/target/webhelp && rsync -av --delete --exclude-from=../../excludeFromRsync.txt * freedocs@prog.mi.hdm-stuttgart.de:${DESTDIR};\
-        fi
+	cd Doc;$(MAKE) install
 
 #end