Add option to WinChan receiver to keep the window open
Merge branch 'master' into popup-option-window-keepalive
Update version, changelog
Merge branch 'master' into popup-option-window-keepalive

Conflicts:
	CHANGELOG.md
	bower.json
	firebase-simple-login-debug.js
	firebase-simple-login.js
	js/src/simple-login/Client.js
	package.json
Merge pull request #31 from firebase/popup-option-window-keepalive

Add option to WinChan receiver to keep the window open