Trim trailing spaces.
Normalize package.json.
Update json2.js to the latest version.
Switch to david-dm.org for the dependency badges.
Losslessly compress screenshot.png.

Before: 40381 bytes
After:  20734 bytes
Remove extra commas.
Update .gitignore.
Clean up .jshintrc.
Merge pull request #1190 from XhmikosR/master

Minor tweaks