Cosmetic changes in Visualization::Member
Stub for Map::Copier
Stub for Visualization::NameGenerator
wip - preliminary copier 1
Merge branch '2.1' of github.com:CartoDB/cartodb20 into feature/2126
clean up after merge
Implement Layer#copy
Implement Map::Copier
Implement Visualization::NameGenerator
Implement Visualization#NameChecker
implement Visualization::Copier
Merge branch '2.1' of github.com:CartoDB/cartodb20 into feature/2126
Enable creating a visualization by copying an existing one