Merge pull request #209 from dnephin/0.6_replace_reactor_with_eventloop

0.6 replace reactor with eventloop
Merge branch 'release_0.6' of github.com:Yelp/Tron into 0.6_debugging_and_testing
Update setup.cfg to upload_docs.
Add pid filename to service api response.
Fix a flaky end-to-end test.
Add an end-to-end test for node reconfiguration.
Merge pull request #210 from dnephin/0.6_debugging_and_testing

debugging and testing
Adding release notes.
Allow for missing files/paths when the config is being validated from tronfig (which uses a partial context.
Ensure that tronview always displays the full name.
Minor cleanup in display.
Merge pull request #211 from dnephin/release_0.6

Release 0.6.0.1 bug fixes
Release notes 0.6.0.1
Bump version to 0.6.0.2, better handling for service instance monitoring failures.
Merge pull request #215 from dnephin/r0.6.0.2_bug_fixes

0.6.0.2, better handling for service instance monitoring
Comment about ActionCommand null object.
Merge branch 'release_0.6' of github.com:Yelp/Tron into r0.6.0.2_bug_fixes
Merge branch 'release_0.6' of github.com:Yelp/Tron into yelp_master
Merge branch 'master' of github.com:Yelp/Tron into yelp_hackathon_10