ENYO-2788: add a mecanism to the stat() function in "ProjectWizard" in order to define the first tab to be displayed when the Pop-up is shown.
ENYO-2788: fix the parameters passed to the callback next () in the _prepareStore() function.
ENYO-2788: Remove dead code
ENYO-2788: Create dynamically the IconButtons of the platforms and warp each one in a Decorator.
ENYO-2788: When a build  is pending, the widget is refreshed each 2 seconds till all the status are "completed" or "error".
ENYO-2788: move the "downloadStatus" array from "BuildStatus.js" to "ProjectProperties.js" as a static attribute.
ENYO-2788: Add a highlight effect to the selected platform button, the highlight effect is dismissed when the message container is hidden.
ENYO-2788: correct the indentiation of the code in Build.js.
ENYO-2788: Remove dead code.
ENYO-2788: delete dead code.
ENYO-2788: change the log level in "getBuildStatusData()" from "warn" to "error".
ENYO-2788: Correct the spelling of the attribute showing "showing" for the downloadButton control.
ENYO-2788: move the instruction "this.$.downloadButton.hide()" to a top level block.
ENYO-2788: remove the "downloadStatus" array as a publised attribut.
ENYO-2788: Remove log instruction.
ENYO-2788: update the comments.
ENYO-2788: update the CSS styling of the build status widget.