Documentation for #114 and #115
Documentation for #114 and #115

Added documentation for instance "get" method.
Added documentation for idAttribute config option
poporul/angularjs-rails-resource,telekomatrix/angularjs-rails-resource,poporul/angularjs-rails-resource,Saicheg/angularjs-rails-resource,telekomatrix/angularjs-rails-resource,FineLinePrototyping/angularjs-rails-resource,FineLinePrototyping/angularjs-rails-resource,Saicheg/angularjs-rails-resource,muthhus/angularjs-rails-resource,muthhus/angularjs-rails-resource