Adding mention of JSCS extension for the Adobe Brackets code editor.
Merge pull request #322 from globexdesigns/master

Adding mention of JSCS extension for the Adobe Brackets code editor.
Readme: don't forget about new google preset
Do not prioritize "package.json" config

Ref 1248aa1db499b3845b8e46414df4f8b8255b17e0
README.md: switch to SVG badges.