Minor sample build changes. JSTL dependency update.

samples/contacts/contacts.gradle

@@ -24,4 +24,8 @@ dependencies {
             "net.sf.ehcache:ehcache:$ehcacheVersion",
             "hsqldb:hsqldb:$hsqlVersion",
             'log4j:log4j:1.2.15@jar'
+}
+
+jettyRun {
+    contextPath = "/tutorial"
 }

samples/runall.sh

@@ -24,7 +24,7 @@ cleanup() {
 
 start_jetty()
 {
-  mvn -o jetty:run > runall.log &
+  gradle -d jettyRun > runall.log &
   until (grep "Started Jetty Server" runall.log)
   do
     echo "- Waiting for server to start... -"

samples/tutorial/tutorial.gradle

@@ -16,4 +16,8 @@ dependencies {
             project(':spring-security-config'),
             project(':spring-security-taglibs'),
             'log4j:log4j:1.2.15@jar'
+}
+
+jettyRun {
+    contextPath = "/tutorial"
 }