Restructure samples

samples/java/java-gemfire-p2p/build.gradle

@@ -0,0 +1,20 @@
+apply from: JAVA_GRADLE
+apply from: TOMCAT_7_GRADLE
+apply from: SAMPLE_GRADLE
+
+dependencies {
+	compile project(':spring-session-data-gemfire'),
+		"org.springframework:spring-web:$springVersion",
+		"org.webjars:bootstrap:$bootstrapVersion",
+		"org.webjars:webjars-taglib:$webjarsTaglibVersion",
+		jstlDependencies
+
+	providedCompile "javax.servlet:javax.servlet-api:$servletApiVersion"
+
+	testCompile "junit:junit:$junitVersion"
+
+	integrationTestCompile seleniumDependencies,
+			"org.assertj:assertj-core:$assertjVersion"
+
+	integrationTestRuntime "org.springframework.shell:spring-shell:1.0.0.RELEASE"
+}