Restructure samples

Closes gh-485

samples/default-authorizationserver/samples-default-authorizationserver.gradle

@@ -0,0 +1,13 @@
+apply plugin: 'io.spring.convention.spring-sample-boot'
+
+dependencies {
+	compile 'org.springframework.boot:spring-boot-starter-web'
+	compile 'org.springframework.boot:spring-boot-starter-security'
+	compile 'org.springframework.boot:spring-boot-starter-jdbc'
+	compile project(':spring-security-oauth2-authorization-server')
+	runtimeOnly 'com.h2database:h2'
+
+	testCompile 'org.springframework.boot:spring-boot-starter-test'
+	testCompile 'org.springframework.security:spring-security-test'
+	testCompile 'net.sourceforge.htmlunit:htmlunit'
+}