Added basic code for streaming tests.
Updated scripts and added first streaming test.

- HdfsRecoveryTest tests whether every file written to a directory is
  read by the system.
- Run scripts updated to redirect test's stdout and stderr to separate
  files for future debugging.
Changes to added Patrick PR 12 comments.
Merge branch 'amplab-master'

Conflicts:
	bin/run
Few more minor changes for PR 12.
Fixed bugs found in config.py.template while in PR 12.
Merge pull request #12 from tdas/master

Updated spark-perf for running streaming tests