Provide a more descriptive error message when a user attempts to return a non-commercial license.

Fixed bug that did not allow users to install non-commercial licenses from hkey.

Fixed issue that caused hkey and sesictrl to miss report an invalid server code error when connected to an external license server.

Fixed bug that would cause hkey to display the same error message in hkey and in the third party login browser.

Fixes bug where hkey wouldn't properly update the connected license server.