Support for explicit module path in dependency

Instead of *always* needing to pull auto-import dependencies
from the master parent pom, we now allow normal @Grab-style
module specifications, e.g. "io.ratpack:ratpack-groovy:0.9.2"

spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/DependencyCustomizer.java

@@ -205,7 +205,8 @@ public class DependencyCustomizer {
 			ArtifactCoordinatesResolver artifactCoordinatesResolver = this.dependencyResolutionContext
 					.getArtifactCoordinatesResolver();
 			this.classNode.addAnnotation(createGrabAnnotation(
-					artifactCoordinatesResolver.getGroupId(module), module,
+					artifactCoordinatesResolver.getGroupId(module),
+					artifactCoordinatesResolver.getArtifactId(module),
 					artifactCoordinatesResolver.getVersion(module), transitive));
 		}
 		return this;

spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/dependencies/ArtifactCoordinatesResolver.java

@@ -25,18 +25,26 @@ package org.springframework.boot.cli.compiler.dependencies;
 public interface ArtifactCoordinatesResolver {
 
 	/**
-	 * Gets the group id of the artifact identified by the given {@code artifactId}.
-	 * Returns {@code null} if the artifact is unknown to the resolver.
-	 * @param artifactId The id of the artifact
-	 * @return The group id of the artifact
+	 * Gets the group id of the artifact identified by the given {@code module}. Returns
+	 * {@code null} if the artifact is unknown to the resolver.
+	 * @param module The id of the module
+	 * @return The group id of the module
 	 */
-	String getGroupId(String artifactId);
+	String getGroupId(String module);
 
 	/**
-	 * Gets the version of the artifact identified by the given {@code artifactId}.
+	 * Gets the artifact id of the artifact identified by the given {@code module}.
 	 * Returns {@code null} if the artifact is unknown to the resolver.
-	 * @param artifactId The id of the artifact
-	 * @return The version of the artifact
+	 * @param module The id of the module
+	 * @return The group id of the module
+	 */
+	String getArtifactId(String module);
+
+	/**
+	 * Gets the version of the artifact identified by the given {@code module}. Returns
+	 * {@code null} if the artifact is unknown to the resolver.
+	 * @param module The id of the module
+	 * @return The version of the module
 	 */
-	String getVersion(String artifactId);
+	String getVersion(String module);
 }

spring-boot-cli/src/main/java/org/springframework/boot/cli/compiler/dependencies/ManagedDependenciesArtifactCoordinatesResolver.java

@@ -19,6 +19,7 @@ package org.springframework.boot.cli.compiler.dependencies;
 import org.springframework.boot.dependency.tools.Dependency;
 import org.springframework.boot.dependency.tools.ManagedDependencies;
 import org.springframework.boot.dependency.tools.VersionManagedDependencies;
+import org.springframework.util.StringUtils;
 
 /**
  * {@link ArtifactCoordinatesResolver} backed by {@link ManagedDependencies}.
@@ -50,7 +51,17 @@ public class ManagedDependenciesArtifactCoordinatesResolver implements
 		return (dependency == null ? null : dependency.getVersion());
 	}
 
+	@Override
+	public String getArtifactId(String artifactId) {
+		Dependency dependency = find(artifactId);
+		return (dependency == null ? null : dependency.getArtifactId());
+	}
+
 	private Dependency find(String artifactId) {
+		if (StringUtils.countOccurrencesOf(artifactId, ":") == 2) {
+			String[] tokens = artifactId.split(":");
+			return new Dependency(tokens[0], tokens[1], tokens[2]);
+		}
 		if (artifactId != null) {
 			if (artifactId.startsWith("spring-boot")) {
 				return new Dependency("org.springframework.boot", artifactId,