Merge branch 'hotfix-0.1a5'
Merge branch 'release-0.1b1'
Merge branch 'release-0.1b2'
Merge branch 'release-0.1'
Merge branch 'master' into develop
Updated README to describe configuration with environment variables.

Also updtaed README and other docs with details of the status report
generated by the crawlers when they finish a run.
Added unidecode to the list of dependent packages in setup.py
Re-added remote develop as the tracking branch.