ENYO-3010: preview window in editor for active file

Tested in IE10, Chrome.

The preview of ares menu "project" shows preview for selected project.

In editor/designer mode, the preview is shown for project of active file.

The icon "preview" in editor/designer mode has a tooltip that recaps the projet that will be previewed.

The preview window has a project name.

Enyo-DCO-1.1-Signed-off-by: Olga Popova <olga.popova@hp.com>