Upgrade to Groovy 2.3.0

Upgrade Boot to use Groovy 2.3.0 and provide dependency management
for all of Groovy's modules.

Closes #647

spring-boot-dependencies/pom.xml

@@ -56,7 +56,7 @@
 		<freemarker.version>2.3.20</freemarker.version>
 		<gemfire.version>7.0.1</gemfire.version>
 		<gradle.version>1.6</gradle.version>
-		<groovy.version>2.3.0-rc-4</groovy.version>
+		<groovy.version>2.3.0</groovy.version>
 		<h2.version>1.3.175</h2.version>
 		<hamcrest.version>1.3</hamcrest.version>
 		<hibernate.version>4.3.1.Final</hibernate.version>
@@ -455,7 +455,77 @@
 			</dependency>
 			<dependency>
 				<groupId>org.codehaus.groovy</groupId>
-				<artifactId>groovy-xml</artifactId>
+				<artifactId>groovy-all</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-ant</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-binary</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-bsf</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-console</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-docgenerator</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-groovydoc</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-groovysh</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-jmx</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-json</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-jsr223</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-nio</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-servlet</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-sql</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-swing</artifactId>
 				<version>${groovy.version}</version>
 			</dependency>
 			<dependency>
@@ -463,6 +533,21 @@
 				<artifactId>groovy-templates</artifactId>
 				<version>${groovy.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-test</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-testng</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.codehaus.groovy</groupId>
+				<artifactId>groovy-xml</artifactId>
+				<version>${groovy.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.crashub</groupId>
 				<artifactId>crash.cli</artifactId>