CON-751: Prepare hubs slots form using FormBuilder
CON-751: Added hubs slots form to setup file
CON-751: Added select field markup to FormBuilder template
CON-751: Added logic for hubs slots form
CON-751: Added markup for hubs slots form to ManageWikiaHome template
CON-751: Added translation to i18n file
Merge branch 'dev' into CON-751
Merge branch 'dev' into CON-751
CON-751: Added translation message and WikiaHubsApi usage
CON-751: Added table keys to hub wiki list
CON-751: Added logic to WikiaHomePage controller
CON-751: Front-end changes in Wikia homepage
CON-751: Changed logic to display hubs slots form
CON-751: Changed displaying hubs slots form
CON-751: Changes in manage wikia home i18n
CON-751: Added more information to hub slot on wikia homepage
CON-751: Changes in displaying hub slot on wikia homepage
CON-751: Added translation to wikia homepage i18n file
CON-751: Added message
CON-751: Added caching layer