Merge pull request zendesk#2880 from zendesk/adammw/bump-mysql

Bump mysql2 gem

Merge pull request zendesk#2879 from zendesk/grosser/blue

improve blue green docs

Merge pull request zendesk#2878 from zendesk/thofer/fix-typo

Fix typo

Merge pull request zendesk#2871 from zendesk/sathish/bre-219

Get Actioncable logs in JSON format

Merge pull request zendesk#2872 from zendesk/ywu/show_substage_status

Show pipeline results

Merge pull request zendesk#2865 from zendesk/grosser/cable-stream

stream deploy output via actioncable

Merge pull request zendesk#2874 from zendesk/grosser/spam

remove parsed_symbolized hack

Merge pull request zendesk#2875 from zendesk/grosser/spam2

PAAS-1768 only debug one pod per failed role to avoid spam when big d…

Merge pull request zendesk#2873 from zendesk/gurney/fixEnvVarGropLists

Fix EnvironmentVariableGroup and Project unordered list rendering

Merge pull request zendesk#2869 from zendesk/gurney/BumpEnvDiffColumn

[BRE-870] Bump size of 'env_state' on deploys