Make digital library fully functional

[k7hpn]

Enhance the digital library/emedia portion of the Web site to perform all the necessary functions for a library to support electronic resources.

• Ability to import and export emedia configurations
• Add ability to associate emedias with subjects
• Add referer checks for access to electronic resources
• Add IP address validation for on- versus off-network access
• Provide group-based, alphabetical, and subject-based views of electronic resources
• Log launches of electronic resources through the Web site

Prior to merge:

• Requires Promenade database migration which includes this line of SQL:

     migrationBuilder.Sql("UPDATE [Emedia] SET [IsActive] = 1, [IsAvailableExternally] = 1");