fix: fix xo linting errors after dependencies update

Merge pull request #262 from klei/fix_issue_261

Update group-array and other dependencies

fix: disable linting for one specific line

fix: pin event-stream to v3.3.4

fix: update dependencies

build: upgrade husky config,

BREAKING CHANGE: drop node4 support

fix: update dependencies (#245)

* chore: update some dependencies
* chore: add yarn.lock, update gitignore
* chore: update xo, fix or add rules
* chore: remove orphaned jshint file
* chore: cleanup package.json, add correct version
* chore: update dependencies
* build: update devDependencies
* chore: update npmignore
* build: use node >= 6
* chore: update dependencies, decrease semantic-release
* build: fix linting with node >=6
* build: update devDependencies
* build: update dependencies
* build: fix travis build
* build: update dependencies, revert version "fix" :-)

fix: update twig support from github.com//pull/129

fix: drop dependency on deprecated `gulp-util` (#236)

Closes #235

feat: add semantic-release