Upgrade Maven AspectJ plugin to version 1.4

Release Notes

** Bug
    * [MASPECTJ-102] - NullPointerException when running under m2e 1.0
    * [MASPECTJ-103] - Empty <classifier> in <aspectLibrary> cause error

** Improvement
    * [MASPECTJ-91] - Mark aspectj plugin as @threadSafe if possible
    * [MASPECTJ-95] - sourceDirectory and testSourceDirectory params are
required
    * [MASPECTJ-96] - configurable option to skip execution
    * [MASPECTJ-100] - Add support resource bundles for the report

** New Feature
    * [MASPECTJ-9] - Add support for weaving classes in folders instead
of jars

** Task
    * [MASPECTJ-104] - Update to AspectJ 1.6.11
    * [MASPECTJ-105] - Upgrade minimum required Maven version to 2.2.0