Fix #20 - Images in the markup-view are previewed in a tooltip
Merge pull request #21 from captainbrosset/issue20-image-preview-tooltips

Fix #20 - Images in the markup-view are previewed in a tooltip
Fix #17 - Update box-model panel on reflow
Merge pull request #18 from captainbrosset/issue17-box-model-update

Fix #17 - Update box-model panel on reflow