SQL Server Database provider; add "Application Name" to Connection String

The SQL Server database provider now includes "Application Name" in the Connection String. This is set to "finPOWER Connect" and is displayed in SQL Server queries such as "sp_who2". This is useful when inspecting connections to determine the source application that created the connection.

In addition, the following functions were not specifically closing Data Readers:

ISDatabaseProviderUtilitiesMSSqlServer.GetDatabaseList
finAccountAppFunctions.GetRecordCodeDescription
finAccountFunctions.GetRecordCodeDescription
finAccountTransactionFunctions.AuthoriseTransaction
finClientFunctions.GetRecordCodeDescription
finSecurityStatementFunctions.GetRecordCodeDescription
finWorkflowFunctions.GetRecordCodeDescription
DBCombobox.MatchFast