Fernando Diaz 73e6d77456 Allow debug flag in Barbican tox and debugging documentation
Allows user to run 'tox -e debug' in order to hit breakpoints in
unit tests. Also addes documentation on using pdb and rpdb.

Change-Id: I75d2780598b989b47b1a5a16712cdaa733872f6a
2015-08-31 11:24:12 -05:00
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