v3.1.0

Bug Fixes

• work around broken console methods (873e4f9), closes /github.com/angular/angular.js/pull/16644#issuecomment-407680658
• browser: emit 'browsers_change' in collection (#3183) (7634e71)
• config: remove phantomjs in favor of chrome headless (#3175) (0f8b2b1)
• init: Support ChromeHeadless in validateBrowser (#3110) (eeadcf2)
• middleware: simplify stripHost. (#3115) (d65e911)
• runner: Do not persist grep option across runs (#3121) (c91cb81)
• runner: Make exit code configurable when tests are failing (#3116) (74da748), closes #1300
• test/client: revert const/let changes. (c097ecf)

Features

• config: Add config option for browser socket timeout (#3102) (11e3a9d), closes #2927
• config: add support for ES modules (e811adb)
• frameworks: report start() errors back to server. (#3126) (8257375)
• server: .dom files include HTML tags in page. (#3178) (4651524)
• server: Add public API to force a file refresh (dab8a82)
• server: Add stop method (#3153) (6d96d8e), closes #3149
• server: Add support for encoded source files (#3123) (68b37d3)