Fix error string in exception handling for node.
Merge branch 'release_0.6.1' of github.com:Yelp/Tron into 0.6.1_fix_crashes
Update tronfig docs and manual pages.
Fix test failures and properly format node/node_pool/scheduler in tronview.
Add a sanbox test for tronfig, and make it return 1 when it fails to upload a config.
Add no header flag to tronfig to supress adding a header to named configs when printing.
Cleanup command utilities used by tron commands.
Add a note about logs to the documentation.
Merge pull request #237 from dnephin/0.6.1_add_no_header_option_to_tronfig

Tronfig cleanup