Revert "Remove unused modules"

This reverts commit d150254a692aca9476fbc9c0e36ca1eef6dd8eb6.
Revert "Further slimdown & fixes"

This reverts commit a2df01e9b49a0c72c06b90f8a19d2f555ab887f0.
Revert "NZB removal, notfication slimdown"

This reverts commit f741ee8b82696970666ee8a1c17cb4ed22df4483.