Enyo 2605: jshint error correction

Enyo-DCO-1.1-Signed-off-by: Marc Dominjon marc.dominjon@hp.com

Errors left: 
- Unreachable 'var' after 'return': deimos\source\Deimos.js: line 425, col 9
- Eval can be harmful :
    deimos\source\designer\iframe\iframe.js: line 720, col 9
    deimos\source\designer\Inspector.js: line 51, col 39
    deimos\source\designer\Json.js: line 64, col 16
    phobos\source\Phobos.js: line 515, col 29

Ready for review.