just changing the classes names for compatibility

config/application.rb

@@ -23,10 +23,13 @@ module Portalmec
     # Do not swallow errors in after_commit/after_rollback callbacks.
     config.active_record.raise_in_transactional_callbacks = true
 
+    # loading lib files
+    config.autoload_paths << Rails.root.join('lib')
+    config.autoload_paths << Rails.root.join('app/repositories')
 
     # Retrive the repository for current environment
     def self.repository
-      RepositoryEnvironments.fetch Rails.env
+      Repository::Environments.fetch Rails.env
     end
 
   end

config/initializers/repositories.rb

-RepositoryEnvironments.create :development do |repository|
-  repository.register :user, Repositories::InMemory::UserRepository.new
+Repository::Environments.create :development do |repository|
+  repository.register :user, InMemory::UserRepository.new
 end
 
-RepositoryEnvironments.create :test do |repository|
-  repository.register :user, Repositories::InMemory::UserRepository.new
+Repository::Environments.create :test do |repository|
+  repository.register :user, InMemory::UserRepository.new
 end
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