Move Connector to a 'Database' directory
New 'Database' namespace. Program now takes input.

* Moved Connector to Database namespace.
* Add Volunteers and Congregations static classes to Database namespace.
* Add ReadPrompt() to ConsoleX
* Make Program command-based
Reorganise ConsoleX a bit
More ConsoleX improvements and use in Program
Order Volunteers by Surname
Improve the 'query' process

* Make it clearer to the user what it happening
* Open the file for the user
* Close when finished