Testing the database
Fixed issue with dataSource definition
Started implementing Factory pathern
Fixed Factories and Products
Design: Defining object responsabilities for ToolProviderEngines
Added json library and redefined the current model
Added lti library squeleton
Changes on configuration for supporting logs
Setup URLMappping
Added view files for error handling
Converted files from DOS to UNIX
Added changes made during the flight
Removed files still referenced by the previous version
Changed package for base classes
Working on oauth signature validation
Removed unnecesary code from ToolProviderBase
Fixed issue on OAuth signature calculation
Generalized CartridgeXML for any TP defined
Updated domain
Ambasadoro objects now include all the general properties as explicit properties and variable properties as metadata
Implemented validation hasRequiredParameters