Ensure DevelopmentLauncher uses servlet 3.0 API (#13053)

Rendering of JSP pages does not work if servlet 2.5 API comes before servlet 3.0 API on the classpath

Change-Id: I6f6bbdb22142848b424c991a15b058ea66ec4eac

eclipse/Development Server (vaadin).launch

@@ -6,6 +6,13 @@
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="1"/>
 </listAttribute>
+<booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_START_ON_FIRST_THREAD" value="true"/>
+<listAttribute key="org.eclipse.jdt.launching.CLASSPATH">
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6&quot; javaProject=&quot;vaadin&quot; path=&quot;1&quot; type=&quot;4&quot;/&gt;&#10;"/>
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.apache.ivyde.eclipse.cpcontainer.IVYDE_CONTAINER/?project=&amp;amp;ivyXmlPath=uitest%2Fivy.xml&amp;amp;confs=jetty-run&quot; path=&quot;3&quot; type=&quot;4&quot;/&gt;&#10;"/>
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.jdt.launching.classpathentry.defaultClasspath&quot;&gt;&#10;&lt;memento exportedEntriesOnly=&quot;false&quot; project=&quot;vaadin&quot;/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
+</listAttribute>
+<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="false"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="com.vaadin.launcher.DevelopmentServerLauncher"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="vaadin"/>
 <stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-ea"/>