Documentation fixes prior to GA release

This commit addresses two formatting issues with the documentation as
well as should fix the publishing of the javadocs.

Resolves #417

pom.xml

@@ -183,7 +183,7 @@
 					</execution>
 					<execution>
 						<id>aggregate</id>
-						<phase>site</phase>
+						<phase>package</phase>
 						<goals>
 							<goal>aggregate</goal>
 						</goals>

spring-cloud-task-docs/src/main/asciidoc/features.adoc

@@ -277,7 +277,7 @@ exception is thrown by the task.
 The following example shows the three annotations in use:
 
 [source,java]
----
+----
  public class MyBean {
 
 	@BeforeTask
@@ -292,7 +292,8 @@ The following example shows the three annotations in use:
 	public void methodC(TaskExecution taskExecution, Throwable throwable) {
 	}
 }
----
+----
+
 
 [[features-task-execution-listener-Exceptions]]
 ==== Exceptions Thrown by Task Execution Listener
@@ -358,7 +359,6 @@ To use this feature, you must add the following Spring Integration dependencies
 application:
 
 [source,xml]
----
 <dependency>
     <groupId>org.springframework.integration</groupId>
     <artifactId>spring-integration-core</artifactId>
@@ -367,4 +367,3 @@ application:
     <groupId>org.springframework.integration</groupId>
     <artifactId>spring-integration-jdbc</artifactId>
 </dependency>
----