Squashed commit of the following:

commit 5b201ba7a059d3e9d79fb276a7584379455a1b8d
Author: Diego Didona <didona@gsd.inesc-id.pt>
Date:   Sat Oct 5 18:21:37 2013 +0100

     * Not tracing config. properties

commit b9d87c8386e2512330930b44e68cb3a00b260a1d
Author: Diego Didona <didona@gsd.inesc-id.pt>
Date:   Sat Oct 5 18:20:31 2013 +0100

    Squashed commit of the following:

    commit 6fbfd019b822eaa9fe2e563d47e90b2858a65aa9
    Author: Diego Didona <didona@gsd.inesc-id.pt>
    Date:   Sat Oct 5 18:11:28 2013 +0100

        Modification to the periodic DummyChangeDetector
        Supporting default forecaster to be configurable

    commit c4eff0abb76a6615c5211f246082d1e172cf31c6
    Author: Diego Didona <didona@gsd.inesc-id.pt>
    Date:   Fri Oct 4 18:19:25 2013 +0100

        Reordering method calls in ChangeDetectors

commit f32057c3b626bf01efa760f9164d2850927352ed
Author: Diego Didona <didona@gsd.inesc-id.pt>
Date:   Fri Oct 4 18:10:54 2013 +0100

     * Avoiding  to trigger reconfiguration if the current platform is equal to the target one