Refactoring of Template Building, changing Assignment__template, deleting AdapterProvider and Assignment_Adapter_template.
Work in progress on Generating code for fragment. Adding Fragment_template, changing related templates: Assignment_Button_template, Getter_Case_template.
Adding tests - FragmentCodeGeneratorTest.
Fixing FragmentResourceProvidersFactory, adding new test to FragmentCodeGeneratorTest.
Adding tests to FragmentCodeGeneratorTest.