Fail on action command when the run hang check fires.
Add node port to the config.
A first pass at handling temporary failures on channels.
Merge pull request #239 from dnephin/0.6.1_node_run_error_on_service_instance

Node run error on service instance
Merge pull request #238 from dnephin/r0.6.1_timeline_graph

tronweb - timeline graph and style
Merge branch 'release_0.6.1' of github.com:Yelp/Tron into 0.6.1_swap_index_and_url_building