Bump eslint from 3.19.0 to 4.19.1

It is not necessary to escape '/' chars inside regex class specifiers.
This fixes a no-useless-escape ESLint error.

Run `eslint --fix` to fix lint failures after ESLint update.

Bumps [eslint](https://github.com/eslint/eslint) from 3.19.0 to 4.19.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v3.19.0...v4.19.1)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump redux from 3.7.2 to 4.0.1

Bump request from 2.85.0 to 2.88.0

Bump gulp-rename from 1.2.2 to 1.4.0

Bump aws-sdk from 2.392.0 to 2.394.0

Bump raven-js from 3.24.2 to 3.27.0

Bump showdown from 1.8.6 to 1.9.0

Bumps [redux](https://github.com/reduxjs/redux) from 3.7.2 to 4.0.1.
- [Release notes](https://github.com/reduxjs/redux/releases)
- [Changelog](https://github.com/reduxjs/redux/blob/master/CHANGELOG.md)
- [Commits](https://github.com/reduxjs/redux/compare/v3.7.2...v4.0.1)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.392.0 to 2.394.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js/compare/v2.392.0...v2.394.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [raven-js](https://github.com/getsentry/raven-js) from 3.24.2 to 3.27.0.
- [Release notes](https://github.com/getsentry/raven-js/releases)
- [Changelog](https://github.com/getsentry/sentry-javascript/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/raven-js/compare/3.24.2...raven-js@3.27.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [request](https://github.com/request/request) from 2.85.0 to 2.88.0.
- [Release notes](https://github.com/request/request/releases)
- [Changelog](https://github.com/request/request/blob/master/CHANGELOG.md)
- [Commits](https://github.com/request/request/compare/v2.85.0...v2.88.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump aws-sdk from 2.345.0 to 2.392.0

Bump chai from 4.1.2 to 4.2.0

Bump angular-mocks from 1.7.5 to 1.7.6

Bumps [showdown](https://github.com/showdownjs/showdown) from 1.8.6 to 1.9.0.
- [Release notes](https://github.com/showdownjs/showdown/releases)
- [Changelog](https://github.com/showdownjs/showdown/blob/master/CHANGELOG.md)
- [Commits](https://github.com/showdownjs/showdown/compare/1.8.6...1.9.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [gulp-rename](https://github.com/hparra/gulp-rename) from 1.2.2 to 1.4.0.
- [Release notes](https://github.com/hparra/gulp-rename/releases)
- [Commits](https://github.com/hparra/gulp-rename/commits)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [angular-mocks](https://github.com/angular/angular.js) from 1.7.5 to 1.7.6.
- [Release notes](https://github.com/angular/angular.js/releases)
- [Changelog](https://github.com/angular/angular.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/angular/angular.js/compare/v1.7.5...v1.7.6)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [chai](https://github.com/chaijs/chai) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/master/History.md)
- [Commits](https://github.com/chaijs/chai/compare/4.1.2...4.2.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump postcss from 7.0.13 to 7.0.14

Bump coffeeify from 1.2.0 to 2.1.0

Bumps [postcss](https://github.com/postcss/postcss) from 7.0.13 to 7.0.14.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/7.0.13...7.0.14)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.345.0 to 2.392.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js/compare/v2.345.0...v2.392.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [coffeeify](https://github.com/jnordberg/coffeeify) from 1.2.0 to 2.1.0.
- [Release notes](https://github.com/jnordberg/coffeeify/releases)
- [Commits](https://github.com/jnordberg/coffeeify/compare/1.2.0...2.1.0)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump karma-coverage from 1.1.1 to 1.1.2

Bump raf from 3.4.0 to 3.4.1

Bump chance from 1.0.16 to 1.0.18

Bump core-js from 2.5.7 to 2.6.2

Bump seamless-immutable from 6.3.0 to 7.1.4

Bumps [karma-coverage](https://github.com/karma-runner/karma-coverage) from 1.1.1 to 1.1.2.
- [Release notes](https://github.com/karma-runner/karma-coverage/releases)
- [Changelog](https://github.com/karma-runner/karma-coverage/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-coverage/compare/v1.1.1...v1.1.2)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [chance](https://github.com/chancejs/chancejs) from 1.0.16 to 1.0.18.
- [Release notes](https://github.com/chancejs/chancejs/releases)
- [Commits](https://github.com/chancejs/chancejs/compare/1.0.16...1.0.18)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [core-js](https://github.com/zloirock/core-js) from 2.5.7 to 2.6.2.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zloirock/core-js/compare/v2.5.7...v2.6.2)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [raf](https://github.com/chrisdickinson/raf) from 3.4.0 to 3.4.1.
- [Release notes](https://github.com/chrisdickinson/raf/releases)
- [Commits](https://github.com/chrisdickinson/raf/commits)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [seamless-immutable](https://github.com/rtfeldman/seamless-immutable) from 6.3.0 to 7.1.4.
- [Release notes](https://github.com/rtfeldman/seamless-immutable/releases)
- [Commits](https://github.com/rtfeldman/seamless-immutable/compare/6.3.0...7.1.4)
Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump sinon from 2.4.1 to 7.2.3

 - Fix cases where `sinon.spy` was used where `sinon.stub` should have
   been used. In recent versions of Sinon only stubs have a `reset`
   method.
 - Fix use of `sinon.stub` as object instead of function