[RESULT][VOTE] Release Apache Crunch 0.8.4 RC0

[Josh Wills]

Hey all,

With 3 binding +1s and no 0s or -1s, the release vote for Apache Crunch
0.8.4 RC0 has passed. I'll start pushing the bits out and will plan on
updating the website with new javadoc over the weekend.

Thanks!
Josh