Update README.md
Update README.md
Added a link cool GIF of xray in action
Merge pull request #8 from masondesu/master

It's a Free GIF for you, Brent!
Add further notes about config.assets.debug to README
Don't add view specimen if constructor filepath isn't found
Version bump to 0.1.2
Update screenshot in README
Merge remote branch 'upstream/master' into shortcut-keys

Conflicts:
	README.md
Change keyboard shortcuts, it is now cmd+shift+x on a Mac, ctrl+shift+x otherwise