The ci_build script hasn't actually been responsible for sending mail since (at least) September 2014.  There's no reason it should require 'mail'.

Restyle progress dropdown and unit overview

# Conflicts:
#	dashboard/app/views/scripts/show.html.haml

Hide try button [test ui]

Refactors S3 upload from UI test logs to use with CI build logs as well.

Logs are uploaded to cdo-build-logs/<hostname>/<build-start-time> using a compact ISO 8601 time representation.  They are currently private.

We upload logs for both successful and failed builds, with links posted in Slack.  Slack output for failed builds has been adjusted to show only the last 40 lines of the log, since the full log is now available on S3.

Move serial port fixtures into their own file

…rebase-basics

Revert "Revert "Firebase basics""

In the case of build logs we don't want to make them public, but we do want to provide a link in Slack.  The solution to this is to generate a "presigned" url which is only valid for a limited time.

Also fixes a bug in the truncated log for Slack.

enable top instructions for maze and studio

Upload build logs to S3

I didn't realize the Number#minutes helper was provided by ActiveSupport and is not part of core Ruby.

Basic breadcrumb for PLC

make dynamodb next_id more robust

A level with non-nil `icon` is a resource. Unviewed resources have a white icon. Viewed resources have a grey icon. [test ui]

DTT

Restyle PLC unit overview

DTT

move bubble styling into jsx

Fixes to, improvements to, and bringing to spec of delete_twilio_data.

DTT