fix relative path error
add callback after start proxy
format code
Merge branch 'master' of github.com:yahoo/arrow into develop

Conflicts:
	lib/driver/selenium.js
	lib/session/sessionfactory.js
	lib/session/testexecutor.js
Merge branch 'master' of github.com:yahoo/arrow into develop
make yui sandbox default to false
Merge pull request #85 from liangji101/develop

make yui sandbox default to false