Opkg not found after upgrading to r27998-591272d197

[frollic]

The future is now: opkg vs apk

With @slh's posting of @aparcar's status report on the APK project (How can I tell opkg to prioritize a repo when a package if found in multiple repos? - #6 by slh), it seems like a good time to start talking about the user side of APK. I installed Alpine on one of my laptops a month ago, so I could get the true "native" feel for APK. I've compiled a preliminary cheatsheet, that I'm thinking we can turn into the basis for a wiki page to ease the transition. Here's the start, anyone with quest…