ENYO-1484: Add support for *.design files in loader (only path data is collected; no actual "loading" occurs in the boot loader, only afterwards in the Analyzer).

Enyo-DCO-1.1-Signed-off-by: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #240 from enyojs/ENYO-1484-kevinpschaaf

ENYO-1484: Add support for *.design files in loader

Reviewed-By: Ben Combee (ben.combee@lge.com)