Refactored dependency management

Created a Spring Boot starter that can be used to configure Spring Cloud
Task and it's related functionality.

Updates per code review

Removed autowiring of app context

Refactored DeployerPartitionHandler to correctly use environment variables

Exposed deployment properties of TaskLauncher

Exposed deployment properties via the TaskLaunchRequest

Updated based on code review

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/configuration/ResourceLoadingAutoConfiguration.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.cloud.task.configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.cloud.deployer.resource.maven.MavenProperties;
+import org.springframework.cloud.deployer.resource.maven.MavenResourceLoader;
+import org.springframework.cloud.deployer.resource.support.DelegatingResourceLoader;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ResourceLoader;
+
+/**
+ * Autoconfiguration of a file or Maven based {@link ResourceLoader}.
+ *
+ * @author Michael Minella
+ * @since 1.0.1
+ */
+@Configuration
+public class ResourceLoadingAutoConfiguration {
+
+	@Configuration
+	@ConditionalOnClass(MavenResourceLoader.class)
+	public static class MavenResourceLoadingAutoConfiguration {
+
+		@Bean
+		public MavenResourceLoader mavenResourceLoader(MavenProperties mavenProperties) {
+			return new MavenResourceLoader(mavenProperties);
+		}
+
+		@Bean
+		@ConditionalOnMissingBean
+		public DelegatingResourceLoader delegatingResourceLoader(MavenResourceLoader mavenResourceLoader) {
+			Map<String, ResourceLoader> loaders = new HashMap<>(1);
+			loaders.put("maven", mavenResourceLoader);
+
+			return new DelegatingResourceLoader(loaders);
+		}
+
+		@Bean
+		public MavenProperties mavenProperties() {
+			return new MavenConfigurationProperties();
+		}
+
+		@ConfigurationProperties(prefix = "maven")
+		public static class MavenConfigurationProperties extends MavenProperties {}
+	}
+
+	@Configuration
+	@ConditionalOnMissingClass("org.springframework.cloud.deployer.resource.maven.MavenResourceLoader")
+	public static class LocalResourceLoadingAutoConfiguration {
+
+		@Bean
+		@ConditionalOnMissingBean
+		public DelegatingResourceLoader delegatingResourceLoader(ApplicationContext context) {
+			Map<String, ResourceLoader> loaders = new HashMap<>(1);
+			loaders.put("file", context);
+
+			return new DelegatingResourceLoader(loaders);
+		}
+	}
+}

spring-cloud-task-core/src/main/resources/META-INF/spring.factories

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+org.springframework.boot.autoconfigure.EnableAutoConfiguration=org.springframework.cloud.task.configuration.ResourceLoadingAutoConfiguration