rails 4.x version support and widget version update

• Rails dependecy changed to any 4.x version
• Widget updated to 1.3.1 version by default
• Some minor changes connected to RSpec 3 release

version 1.0.4 release

• Safety wrappers and loggers;
• Refactoring and duplications

1.0.3: formtastic support and callbacks

• File caching as JSON instead of plain Ruby objects;
• Groups caching as JSON instead of plain Ruby objects;
• Formtastic support
• Ruby/Rails JSON bindings (primarily to prevent exposure of data in jbuilder templates generated by scaffolding)

version 1.0.2 release

v1.0.2

version 1.0.2 release

Version 1.0.1

v1.0.1

remote url replaced with file upload