Merge pull request #16 from SpikeHimself/master

Fix wrong var name for passing steam api key
Update README with a Contributing section; add inline link to LICENSE
Remove some trailing whitespace; fix Englishes
Merge pull request #18 from justinkim/fix/housekeeping

Update the README with a couple changes
Use absolute URLs for CSS on dashboard, fixes #19.
Wrap injected JS in try catch to prevent Javascript errors from breaking other panels, fixes #20
Merge pull request #1 from nodecg/master

Sync