Add support for 2xx response codes in ajax utility
Add support for 2xx response codes in ajax utility

lakenen/viewer.js,denodster/viewer.js,denodster/viewer.js,box/viewer.js,lakenen/viewer.js,vdclouis/viewer.js,lakenen/viewer.js,vdclouis/viewer.js,box/viewer.js,vdclouis/viewer.js,box/viewer.js,denodster/viewer.js