You're welcome. 🙂
Aperture will no longer be developed, and that make me sad. Aperture is perfect for my workflow, and has exactly the tools I need, with a very versatile user interface. Apple is abandoning the best professional photo software ever.
Apple announced, that Aperture will be supported during the life cycle of Yosemite. I will continue to use Aperture as my main photo library and editor, as long as I can stay with Yosemite. I am creating a smaller Aperture library for sharing with iCloud, that I will migrate to Photos; it will just contain a small subset of my photos, that I want to have on all devices.
If Photos does not develop into something useful for my needs during the next few years, I'll migrate my main libraries to digikam; it is free, compatible with Linux systems, and has many advanced tools. Our students prefer open source software anyway, so I can use it at ork as well.
But if you want a professional substitute for Aperture, look at Capture One or Lightroom. There are quite a few discussions here on the merits of these alternatives.