Added current tuning status to tuning page
Changed autostart tuning. All the features are set to manual
Merge pull request #8 from xsurfer/issue_tuning

Changed autostart tuning. All the features are set to manual
Merge pull request #7 from xsurfer/issue_webif

Added current tuning status to tuning page
Deleted node configuration(MEDIUM/SMALL/LARGE) from web if
 * Avoiding  to trigger reconfiguration if the current platform is equal to the target one
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