allow data-datepicker and data-datetimepicker, fix #302

src/inputs/date/date.js

@@ -48,6 +48,9 @@ $(function(){
                 this.options.viewformat = this.options.format;
             }
             
+            //try parse datepicker config defined as json string in data-datepicker
+            options.datepicker = $.fn.editableutils.tryParseJson(options.datepicker, true);
+            
             //overriding datepicker config (as by default jQuery extend() is not recursive)
             //since 1.4 datepicker internally uses viewformat instead of format. Format is for submit only
             this.options.datepicker = $.extend({}, defaults.datepicker, options.datepicker, {

src/inputs/datetime/datetime.js

@@ -46,6 +46,9 @@ $(function(){
             if(!this.options.viewformat) {
                 this.options.viewformat = this.options.format;
             }
+            
+            //try parse datetimepicker config defined as json string in data-datetimepicker
+            options.datetimepicker = $.fn.editableutils.tryParseJson(options.datetimepicker, true);
 
             //overriding datetimepicker config (as by default jQuery extend() is not recursive)
             //since 1.4 datetimepicker internally uses viewformat instead of format. Format is for submit only