[zanata/zanata-server] 7bd149: Add a priority executor

[GitHub]

  Branch: refs/heads/priority-executor
  Home:   https://github.com/zanata/zanata-server
  Commit: 7bd1495ff78697eace15e81888d839a7d683d2f1
      https://github.com/zanata/zanata-server/commit/7bd1495ff78697eace15e81888d839a7d683d2f1
  Author: Carlos Munoz <chavo16 at hotmail.com>
  Date:   2014-08-09 (Sat, 09 Aug 2014)

  Changed paths:
    M zanata-war/src/main/java/org/zanata/async/AsyncTaskHandle.java
    A zanata-war/src/main/java/org/zanata/async/AsynchronousTaskEnvironmentWrapper.java
    R zanata-war/src/main/java/org/zanata/async/AsynchronousTaskExecutor.java
    A zanata-war/src/main/java/org/zanata/async/PriorityExecutor.java
    M zanata-war/src/main/java/org/zanata/async/TaskExecutor.java
    M zanata-war/src/test/java/org/zanata/async/AsyncTaskITCase.java

  Log Message:
  -----------
  Add a priority executor