Added tag 5.1 for changeset 3a948b6d01e3
Bumped to 5.2 in preparation for next release.
Bypass dist/build/egg dirs when running tests
Started work on a developer guide.
Remove superfluous import
Extract variable for clarity.
Cleanup ignore files
Cleanup fixture using tmp and monkeypatch
Merge pull request #9 from Ivoz/integration-pr

Merge PR 9 (improved integration tests)
Fixed PEP 8 compliancy of the setuptools.command package
Fix pep8 issues for install_egg_info
Clean up _get_all_ns_packages
Move devguide notes to documentation.
Expand on stylistic changes
Added Recommended Reading
Expanded on Project Management
Added note about Github mirror
Updated recommeded testing procedure.
Expanded on authoring tickets.
Expose developer guide in the documentation.