LMW-70 Changed to new singleton pattern
LMW-71 Moved class to make it generic
LMW-71 Make LoadPageOperation generic to be used from several widgets
LMW-71 Renamed element by field in DDL classes
LMW-71 Renamed element by field in DDL classes (file names)
LMW-71 Code adapted to XCode 6.0.1
LMW-71 Added iteration abstraction
LMW-71 Refactor: generic classes to build list based widgets
LMW-71 Refactored from external to inner type
LMW-71 Renamed elements folder by model
LMW-71 Fix error with renamed xib files
LMW-71 Introduced DDLRecord concept in the model

Instead of deal with a list of fields, we deal now with a record (which includes the list of fields)
LMW-71 Parse invocation moved from widget to model layer
LMW-71 Replace factory methods by regular constructors
LMW-71 Access record field by subscript
LMW-71 Updated service with new methods implemented in LPS-50175
LMW-71 Renamed DDLParser by DDLXSDParser because it’s responsibility is to parse a definition using XML
LMW-71 Convert XSD parser to stateless
LMW-71 Attributed passed to DDLField are passed in a merged dictionary
LMW-71 Removed empty setUp and tearDown methods