Examples from Radiohead error with unistd.h

[ivankravets]

@Daniel_Kutka , @davidpowell PlatformIO 3.0 is out! Please upgrade!

PlatformIO 3.0: The biggest update for the years!

Dear PlatformIO User! We have been silent for a while, not because we haven’t been working around the clock, but we’ve had to address some important architectural changes to whole PlatformIO ecosystem. We’ve been working hard to ensure that migration from PlatformIO 2.0 to PlatformIO 3.0 passes without significant issues. What is new PlatformIO Plus: Professional solutions for an awesome open source PlatformIO ecosystem (see PlatformIO story below) Decentralized architecture for development…