hexadoodle

Results 2 issues of hexadoodle

Firefox, Linux (twice - one in Kubuntu, other in Ubuntu). In Kubuntu, it looked fine momentarily then flipped to this X image. Couldn't return it to normal with hard refresh....

Ubuntu 14.04. [In a previous issue](https://github.com/panrafal/depthy/issues/20), Depthy would show either an X-image or a black screen when editing. This was fixed by clicking on the version number and selecting "1"...