Standardize Build

The build now uses spring build conventions to simplify the build

Fixes gh-4284

messaging/spring-security-messaging.gradle

@@ -0,0 +1,23 @@
+apply plugin: 'io.spring.convention.spring-module'
+
+dependencies {
+	compile project(':spring-security-core')
+	compile 'aopalliance:aopalliance'
+	compile 'org.springframework:spring-beans'
+	compile 'org.springframework:spring-context'
+	compile 'org.springframework:spring-core'
+	compile 'org.springframework:spring-expression'
+	compile 'org.springframework:spring-messaging'
+
+	optional project(':spring-security-web')
+	optional 'org.springframework:spring-websocket'
+	optional 'javax.servlet:javax.servlet-api'
+
+	testCompile project(path: ':spring-security-core', configuration: 'tests')
+	testCompile 'commons-codec:commons-codec'
+	testCompile powerMockDependencies
+	testCompile slf4jDependencies
+	testCompile spockDependencies
+
+	testRuntime 'org.hsqldb:hsqldb'
+}