amplab/tachyon — pull request #442 by hsaputra (2014-09-18 04:33:32+00:00)
Title: Tachyon-102  Replace leftover log4j to slf4j from merging other PRs.

Tachyon-102 Replace leftover log4j to slf4j from merging other PRs.
Also updated the how to contribute doc to make sure we document this.