Added locale-based date format methods.
Merge branch 'develop' of github.com:OpenHMIS/openmrs-module-openhmis.backboneforms into develop
Made the GenericListView itemView type use the openhmis.GenericListItemView explicitly rather than through the itemView class variable.
Updated modelNamePlular function to properly use the model meta namePlural if defined.
Updated the date and date/time locale methods to support strings and null values.  Updated the view fetchable array to be an instance variable.
Updated Date and DateTime types to be right-justified.