fix issue where there was no way to keep the placeholder text from propagating the wrong direction

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@lge.com>
Merge pull request #472 from enyojs/update-input-binding

fix issue where there was no way to keep the placeholder text from propa...

Reviewed-By: Ben Combee (ben.combee@lge.com)