Fixed require_from_group validator
The full question is always showing when there are errors (scrollTop)
Added SurveyorAjax object to handle Surveyor Ajax functionality
Added support to surveyor.showLoading and surveyor.hideLoading
Merge pull request #41 from HeHStudy/041---some-surveys-can-bypass-validations

Some surveys can bypass validations
Merge pull request #42 from HeHStudy/042---show-loading-gif-when-loading-dependent-questions

Show loading gif when loading dependent questions
Uptodate with master
fixes after merging against master