* fix(various): correct issues from PRs rollout
1. Send Gems modal opens from profiles again
2. Contributor titles appear on hover again
3. Tags dropdown in tasks appears again
4. Only user's own @mentions get highlighted again
* fix(test): correct order of css classes in expect
* update column.vue, getters/task.js, getters/user.js and add unittests and helpers
* add vue-test-utils pkg + unit test for column.vue
* add unit test column.vue
* update unit tests
* fix linting errors
* add tasklist getter
* add unit test + refactor for getters
* add task order sorting + update unit tests
* remove direct access to store.state.tasks
* add tag and search filter back to column.vue + unit tests
* add unit test for task order setting function
* add task filters to helper file + modify taskColumn state access to getter
* update column to get values at runtime. TODO set active filter at runtime
* add TaskColumn init state + daily-due-default
* add check for task type daily before set/reset dailyDueView
* remove unused sortBy import in column.vue
* remove unused sortBy
* pr review requested updates
* pr review clean up updates
* wip: client: i18n
* remove maxAge from cookies to get same expiration ad localStorage
* set cookies expiration to 10 years
* moment: load translations in browser, moment: only load necessary data, remove jquery, remove bluebird
* ability to change language
* fix logout
* add some requiresLogin: false to static pages
* fix tests
* try to freeze content object
* deep freeze the content object, start to implement stable
* freeze at the /common level
* go back to freezing content only on the client
* use deep-frezze-strict to support phantomjs
* use own version of deepFreeze
* update comment about deepFreeze