Unit tests for Template::Controller sub system

[vanstyn]

Using RapidApp::Test, unit tests need to be written to verify the correct functionality of the Template::Controller system

• Create a new template
• Modify a template
• delete a template
• Create a template with an INCLUDE directive of another template, and verify the returned compiled content
• Verify expected exception when saving a template with a TT syntax error
• Verify expected exception when attempting each of 4 CRUD phases on a template when user lacks permission
• Verify correct template content for both normal and admin templates
• Verify correct functionality with a custom Access class