Introduce the IExtensionActivator interface, refactor IMenu, and implement a test menu item.
Add a proper license header and a comment to the TestMenu class.
Replace IMenu's Text and Execute() with Item.
Propagate an instance of IExtensionActivator through forms and user controls.
Cleanup ClientControl.cs
Load extensions on the Person control.
Add a test implementation of IPerson.
Rename TestExtensions to Samples.
Rename TestExtensions to Samples.
Fix extensions on the Solidarity Group control and implement a sample extension.
Remove the redundant null check for extensions.
Refactor extension loading on the corporate control.
Add a sample extension for Corporate tabs.
Refactor extension loadin on the NSG form.
Add a sample extension for NonSolidarityGroup tabs.
Refactor extension loading on the ClientForm.
Refactor loan extension loading on the ClientForm.
Refactor savings extension loadin on the ClientForm.
Export/import database connection.
Cleanup extensions framework.