Add @sindresorhus' Logo
Merge pull request #16 from passy/logo

Add @sindresorhus' Logo
add SVG logo and transparent PNG
Merge pull request #18 from sindresorhus/logo-svg

add SVG logo and transparent PNG
Add screenshot
Add SummaryReporter
Pass on logger, normalize bars to max
Bunch of unit tests for SummaryReporter
Add note to README