Some Markdown formatting cleanup. (cherry picked from commit 6492417bdaa8b1eaa8fc44097c45e9f2c2897308)
Some Markdown formatting cleanup.
(cherry picked from commit 6492417bdaa8b1eaa8fc44097c45e9f2c2897308)

apache/cordova-app-harness,guozanhua/chrome-app-developer-tool,guozanhua/chrome-app-developer-tool,apache/cordova-app-harness,feedhenry/cordova-app-harness,feedhenry/cordova-app-harness,guozanhua/chrome-app-developer-tool,apache/cordova-app-harness,guozanhua/chrome-app-developer-tool,feedhenry/cordova-app-harness,apache/cordova-app-harness,feedhenry/cordova-app-harness