jector: fixed javadoc

*	modified:   jector-monkey/src/main/java/com/avrsandbox/jector/monkey/core/work/MonkeyWorkerTask.java
*	modified:   jector/src/main/java/com/avrsandbox/jector/core/work/TaskExecutorsManager.java
*	modified:   jector/src/main/java/com/avrsandbox/jector/core/work/WorkerTask.java
*	modified:   jector/src/main/java/com/avrsandbox/jector/util/Tasks.java

jector-monkey/src/main/java/com/avrsandbox/jector/monkey/core/work/MonkeyWorkerTask.java

@@ -47,6 +47,14 @@ public abstract class MonkeyWorkerTask extends WorkerTask {
      */
     protected float timePerFrame;
 
+    /**
+     * Instantiates a JME worker task mapping a method to be executed
+     * on the JME-3 Main thread.
+     */
+    public MonkeyWorkerTask() {
+        super();
+    }
+
     /**
      * Updates the time-per-frame value (in seconds).
      *

jector/src/main/java/com/avrsandbox/jector/core/work/TaskExecutorsManager.java

@@ -208,6 +208,7 @@ protected void bind(Class<? extends TaskExecutor>[] clazzes, Worker worker, Meth
      * Binds a method to a task executor instance by wrapping it into a {@link WorkerTask}.
      *
      * @param taskExecutor the executor instance
+     * @param worker the worker class containing the runnable annotated methods
      * @param method the method to wrap as a task
      * @param args the method arguments, or null for nullary methods
      */
@@ -230,7 +231,8 @@ public Object call() {
     /**
      * Executes a method passing in its arguments object and the binder object,
      * the signature of the parameterized methods must be [Object method(MethodArguments, TaskBinder)].
-     * 
+     *
+     * @param worker the worker class containing the runnable annotated methods
      * @param method the method to execute, should be of the signature 
      *               [Object method(MethodArguments, TaskBinder)]
      * @param args the method arguments data structure

jector/src/main/java/com/avrsandbox/jector/core/work/WorkerTask.java

@@ -35,7 +35,7 @@
 
 /**
  * Defines a task for a worker object, a task maps a method to be
- * executed in the annotated {@link TaskExecutor}.
+ * executed with the annotated {@link TaskExecutor}.
  * 
  * @author pavl_g
  */
@@ -52,6 +52,12 @@ public abstract class WorkerTask implements Callable<Object> {
      */
     protected volatile Object result;
 
+    /**
+     * Instantiates a worker task mapping a method to be executed.
+     */
+    public WorkerTask() {
+    }
+
     /**
      * Sets the return result of this task, "null" if a task to a void
      * method is specified.

jector/src/main/java/com/avrsandbox/jector/util/Tasks.java

@@ -79,6 +79,7 @@ public static WorkerTask getWorkerTask(TaskExecutorsManager taskExecutorsManager
      * Retrieves a worker task return value from its task executor object (which is registered to
      * a task binder).
      *
+     * @param <T> a method generic to avoid further dynamic casting
      * @param taskExecutorsManager the manager instance holding the TaskExecutors
      * @param clazz the represented executor holding the task to retrieve
      * @param name the name of the task to retrieve (usually the name of the worker method)