Added error handlers in vtkCM.

- getReferencesForConfiguration
- getConfigurationTitle
- getConfigurationComment
Added "template" support for vtkCM

- added getConfigurationTemplatePath in vtkCM
- added test in vtkCMTester
- modified test template used in vtkCMTester
Added "templatePath" support in vtkConfiguration

- added function to retrieve templatePath in vtkConfiguration
- added test in vtkConfTester
- modified template used by vtkConfTester
Added tests for xlsm template support in vtkRecreateConfiguration.

- added tests in vtkConfigurationManagerTester
	- VBProject name
	- Module preservation
	- sheet preservation
- modified xml template used in vtkRecreateConfigurationTester
- added xlsm file template for use in vtkRecreateConfigurationTester