Added the ConsoleStringCalculator Kata demo.
Removed the unused namespaces.
Uncommented the line.
Refactored the SimpleQueue Kata demo.
Added the simple stack Kata demo.
Fixed the ConsoleStringCalculator demo error  due to duplicated random numbers.
Added the methods related to the MockSequence class to the MockExtensions class.
Implemented some methods of the MockSequenceCallback class.
Updated the deprecated messages.
[minor] Updated the mock sequencd featrue by using the MockSequcen class.
Improved the MockSequenceCallback class.
Merge branch 'master' into v4.x

Conflicts:
	src/TestCommon/Fixture.cs
	src/TestCommon/FixtureConfigs.cs
	src/TestCommon/IFixtureConfigs.cs
Rectified the parameter instance type.
[minor] Deprecated the ISetupFixture interface and introduced the IFixtureUnderTestClass interface instead.
[major] Deleted the deprecated members and types.
[minor] Deprecated the ISetupFixtureClass interface and introduced the IFixtureUnderNamespace interface instead.
Merge branch 'master' into v4.x
[major] Deleted the deprecated ISetupFixtureClass and ISetupFixture interfaces.
Improved the AutoTheoryCommand class ant test.
Resolved the code analysis errors.