Release 3.0.0-alpha4

• Fixed $searchQuery in UrlParamsProcessor (#45) (a5030e7)
• Added api default endpoints (b835f75)
• refactor footer and head template (#44) (65ab8c6)
• update bootstrap to v4.0 (#43) (388664d)
• Merge pull request #42 from GrupaZero/fix_file_resources (9e21d81)
• fix files resources (f326687)
• Change languages selection to dropdown in navbar area. (#41) (22677ca)
• set the Carbon locale (#40) (40b0a8c)
• move google tag manager migration to core (#39) (23a91a6)