Merge pull request #1 from thingsinjars/master

Exit status
Updated README
Removed base selector. Should be able to hide 'underneath' elements.
Simplified passing in Casper
Merge pull request #3 from thingsinjars/master

Optionally pass in an existing instance of Casper
Fixed links.
Merge pull request #6 from sedovsek/patch-1

Fixed links.
Many changes: Diff images are now generated.  Animations can be turned off.  Updated README.
updated resemble.js
Tweaked demo.
Added MIT license
Fixed parameters in _fileNameGetter

Added missing '_root' and 'fileName' parameters.
If 'fileName' is undefined it will fallback to the previous 'screenshot' string value.

(Now corrected the space in my previous fix)
tweak to fileNameGetter
updated file meta data
Mentioned filename ability to README
Fixed blog link
move diff/fail images to tmp dir, and produce less-noisy output
demo updated
PhantomCSS fork renamed inSpectre.  3rd-party requirements removed from repo.
phantomcss.js renamed to inspectre.js, more changes added