Replace deployer with a simpler library

Instead of an app, it is now a library with some utilities
(principally ApplicationBootstrap) for launching a Spring Boot
application, extracting a function, and registering it in the
FunctionRegistry.

spring-cloud-function-deployer/pom.xml

@@ -15,8 +15,8 @@
 	</parent>
 
 	<properties>
-		<spring-cloud-deployer-thin.version>1.0.10.RELEASE</spring-cloud-deployer-thin.version>
 		<wrapper.version>1.0.10.RELEASE</wrapper.version>
+		<spring.cloud.deployer.version>1.3.2.RELEASE</spring.cloud.deployer.version>
 	</properties>
 
 	<dependencies>
@@ -27,38 +27,40 @@
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
 			<artifactId>spring-cloud-function-stream</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-stream-binder-servlet</artifactId>
+			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-configuration-processor</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-loader</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.cloud</groupId>
-			<artifactId>spring-cloud-deployer-thin</artifactId>
-			<version>${spring-cloud-deployer-thin.version}</version>
+			<artifactId>spring-cloud-deployer-resource-maven</artifactId>
+			<version>${spring.cloud.deployer.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-deployer-resource-support</artifactId>
+			<version>${spring.cloud.deployer.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-stream-test-support</artifactId>
+			<optional>true</optional>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>org.apache.maven</groupId>
-				<artifactId>maven-aether-provider</artifactId>
-				<version>3.3.9</version>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
-
 	<build>
 		<plugins>
 			<plugin>
@@ -72,7 +74,65 @@
 					</dependency>
 				</dependencies>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-invoker-plugin</artifactId>
+				<configuration>
+					<localRepositoryPath>${project.build.directory}/local-repo</localRepositoryPath>
+				</configuration>
+				<executions>
+					<execution>
+						<id>prepare-test</id>
+						<phase>test-compile</phase>
+						<goals>
+							<goal>run</goal>
+						</goals>
+						<configuration>
+							<cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
+							<settingsFile>src/it/settings.xml</settingsFile>
+							<addTestClassPath>true</addTestClassPath>
+							<skipInvocation>${skipTests}</skipInvocation>
+							<streamLogs>true</streamLogs>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
+		<pluginManagement>
+			<plugins>
+				<!--This plugin's configuration is used to store Eclipse m2e settings 
+					only. It has no influence on the Maven build itself. -->
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>
+											org.apache.maven.plugins
+										</groupId>
+										<artifactId>
+											maven-invoker-plugin
+										</artifactId>
+										<versionRange>
+											[1.10,)
+										</versionRange>
+										<goals>
+											<goal>run</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore></ignore>
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
 	</build>
-
 </project>