Bug 560655 - Update Jetty to 9.4.27

Build jsp files with respective jspc maven plugin.

Change-Id: I57b3b9ce27a5b41a95da46fac62294c3db269411
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/org.eclipse.help.webapp/pom.xml b/org.eclipse.help.webapp/pom.xml
index 3b40b05..5c502dc 100644
--- a/org.eclipse.help.webapp/pom.xml
+++ b/org.eclipse.help.webapp/pom.xml
@@ -25,7 +25,7 @@
       <plugin>
         <groupId>org.eclipse.jetty</groupId>
         <artifactId>jetty-jspc-maven-plugin</artifactId>
-        <version>9.4.26.v20200117</version>
+        <version>9.4.27.v20200227</version>
         <executions>
           <execution>
             <id>jspc</id>