Inputs Image Height/Width don't display when image is load (ie9)

When selecting a image in content.Node the width and height inputs were not displayed. The problem was that when assigning the value to the input, the jQuery.val function was not working, maybe because the element wasn't associated to the DOM yet.
Merge branch 'hotfix-image-height-width-ie9' of git://github.com/najor/Aloha-Editor into hotfix

Conflicts:
	build/hotfix-changelog.md