make yui sandbox default to false
Merge pull request #85 from liangji101/develop

make yui sandbox default to false
passing error object to report manager
Merge branch 'master' of https://github.com/yahoo/arrow
enable sandbox only with engine yui
Merge pull request #86 from liangji101/develop

enable sandbox only with engine yui
Merge branch 'develop' into proxy
add newsbox test