Ensure a compile-time method for checking for 1.0. [imported]

[cmaglie]

This is Issue 453 moved from a Google Code project.
Added by 2011-01-07T19:49:17.000Z by dmel...@gmail.com.
Please review that bug for more context and additional comments, but update this bug.
Closed (Fixed).

Original labels: Type-Enhancement, Priority-Medium, Milestone-1.0

Original description

There should be a way to check at compile time if code is being compiled under 1.0 or earlier. This could be the existing ARDUINO #define, but we might need something else if it's not clear what numbered release 1.0 is going to be.