WIP: enable availability selection for AKs

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/af.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/ar-dz.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/ar-kw.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/ar-ly.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/ar-ma.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/ar-sa.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/ar-tn.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/ar.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/bg.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/bs.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/ca.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/cs.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/da.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/de.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/el.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/en-au.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/en-gb.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/en-nz.js

...n/static/AKPlan/vendor/fullcalendar/core/locales/es-us.js

AKPlan/static/AKPlan/vendor/fullcalendar/core/locales/es.js