Minor updates to README
Minor updates to README
jakemac53/dartdoc,d2m/dartdoc-2015,astashov/dartdoc,jakemac53/dartdoc,dart-lang/dartdoc,keertip/dartdoc,d2m/dartdoc-2015,jakemac53/dartdoc,keertip/dartdoc,jakemac53/dartdoc,keertip/dartdoc,srawlins/dartdoc,keertip/dartdoc,srawlins/dartdoc,srawlins/dartdoc,astashov/dartdoc,dart-lang/dartdoc,d2m/dartdoc-2015,dart-lang/dartdoc,a14n/dartdoc,astashov/dartdoc,srawlins/dartdoc,astashov/dartdoc,a14n/dartdoc,a14n/dartdoc,d2m/dartdoc-2015,dart-lang/dartdoc