Version bump.
Update gitignore.
Update jvm opts.

Setting the mapred child opts in the JT is worthless, because the TT
always loads them from the JobConf.
Version bump.
Update README.
Merge pull request #34 from airbnb/master

JVM opts, bump version
Metrics version bump.
Merge pull request #35 from airbnb/master

Metrics version bump.
Initial version of fluid task trackers