- fix all cases of    logging.foo(format_string % args)
- fix logging calls from logger.foo(format_string % args) into
  logger.foo(format_string, *args)
- and make a small optimization to error line accrual in
  run_and_track_hadoop_job.py
example assumed that hdfs will write flat files.
Merge pull request #210 from grubino/master

example assumed that hdfs will write flat files.
enable support for boto config in S3Client
Merge pull request #204 from JonNelson/master

Subprocess exceptions in format that are ultimately caused by format consumer/production should not mask original exception
Merge pull request #205 from JonNelson/logging

Don't use string interpolating when logging, let the logging framework do that.
An inheritance decorator

Method and practice for instantiating classes that are inherited from

More tests, and ability to nullify parameters

Added better naming to common_params, and an assertion and test to boot

Python 2.6 compatible unit tests
Merge pull request #207 from dattalab/inherit_decorator

WIP: An inheritance decorator
Merge pull request #209 from jimjh/allow-boto-config

Enable support for boto config in S3Client
deprecate core.tmp-dir and use tempfile.mktemp instead