Merge "build: Bump most devDependencies to latest"

diff --combined package.json
index 2c74f2a,2d8f160..a00c1b5
--- 1/package.json
--- 2/package.json
+++ b/package.json
@@@ -6,7 -6,7 +6,7 @@@
      "doc": "jsduck",
      "postdoc": "grunt copy:jsduck",
      "selenium": "bash ./tests/selenium/selenium.sh",
 -    "selenium-daily": "npm run selenium-test",
 +    "selenium-daily": "npm run selenium-test -- --mochaOpts.grep @daily",
      "selenium-test": "wdio ./tests/selenium/wdio.conf.js"
    },
    "devDependencies": {
@@@ -21,13 -21,13 +21,13 @@@
      "grunt-eslint": "21.0.0",
      "grunt-jsonlint": "1.1.0",
      "grunt-karma": "2.0.0",
-     "grunt-stylelint": "0.10.0",
-     "karma": "2.0.2",
+     "grunt-stylelint": "0.10.1",
+     "karma": "3.0.0",
      "karma-chrome-launcher": "2.2.0",
-     "karma-firefox-launcher": "1.0.1",
+     "karma-firefox-launcher": "1.1.0",
      "karma-mocha-reporter": "2.2.5",
-     "karma-qunit": "2.0.1",
-     "postcss-less": "1.1.5",
+     "karma-qunit": "2.1.0",
+     "postcss-less": "2.0.0",
      "qunit": "2.6.0",
      "stylelint": "9.2.0",
      "stylelint-config-wikimedia": "0.4.3",