Standardize Build

The build now uses spring build conventions to simplify the build

Fixes gh-4284

samples/javaconfig/form/build.gradle

@@ -1,27 +0,0 @@
-apply from: WAR_SAMPLE_GRADLE
-
-dependencies {
-
-	providedCompile "javax.servlet:javax.servlet-api:3.0.1",
-					'javax.servlet.jsp:jsp-api:2.1'
-
-	compile project(":spring-security-config"),
-			project(":spring-security-samples-javaconfig-messages"),
-			project(":spring-security-core"),
-			project(":spring-security-web"),
-			"org.springframework:spring-webmvc:$springVersion",
-			"org.springframework:spring-jdbc:$springVersion",
-			"org.slf4j:slf4j-api:$slf4jVersion",
-			"org.slf4j:log4j-over-slf4j:$slf4jVersion",
-			"org.slf4j:jul-to-slf4j:$slf4jVersion",
-			"org.slf4j:jcl-over-slf4j:$slf4jVersion",
-			"javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:$jstlVersion",
-			"javax.validation:validation-api:$validationApiVersion",
-			"org.hibernate:hibernate-validator:$hibernateValidatorVersion"
-
-	runtime "opensymphony:sitemesh:2.4.2",
-			"cglib:cglib-nodep:$cglibVersion",
-			'ch.qos.logback:logback-classic:0.9.30'
-
-	integrationTestCompile gebDependencies
-}

samples/javaconfig/form/spring-security-samples-javaconfig-form.gradle

@@ -0,0 +1,22 @@
+apply plugin: 'io.spring.convention.spring-sample-war'
+
+
+dependencies {
+	compile project(':spring-security-config')
+	compile project(':spring-security-core')
+	compile project(':spring-security-samples-javaconfig-messages')
+	compile project(':spring-security-web')
+	compile 'javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api'
+	compile 'javax.validation:validation-api'
+	compile 'org.hibernate:hibernate-validator'
+	compile 'org.springframework:spring-jdbc'
+	compile 'org.springframework:spring-webmvc'
+	compile slf4jDependencies
+
+	providedCompile 'javax.servlet.jsp:javax.servlet.jsp-api'
+	providedCompile 'javax.servlet:javax.servlet-api'
+
+	runtime 'opensymphony:sitemesh'
+
+	integrationTestCompile gebDependencies
+}