focus-core 2.2.0-beta3

Breaking changes :

• Numeral : the version has been updated, the initialisation has changed
• i18next : the version has been updated (no more i18next-client), the initialisation has changed. Moreover, the __variable__ declaration doesn't work anymore. You need to change to {{variable}}

What's in it :

• Re-writing all code in ES6
• Unit testing migrated in jest
• Advanced search : can now have several stores/advanced search properly separed
• #396 #399 Store : name collision with error, status are now tested
• [BUGFIX] #393 #401 ActionBuilder for list : The number of element can now be changed correctly
• [BUGFIX] Fixing reference store : adding new method