rename remoteFetchWaitTime to fetchWaitTime, since it also includes time from local fetches
enable task metrics in local mode, add tests
add a small wait to one task to make sure some task runtime really is non-zero
increase sleep time
Add a log4j compile dependency to fix build in IntelliJ

Also rename parent project to spark-parent (otherwise it shows up as
"parent" in IntelliJ, which is very confusing).
Merge pull request #530 from mbautin/master-update-log4j-and-make-compile-in-IntelliJ

Add a log4j compile dependency to fix build in IntelliJ
Merge pull request #516 from squito/fix_local_metrics

Fix local metrics
Merge branch 'master' of https://github.com/mesos/spark into foldByKey