Refactoring of schema API

[lvca]

Right now we have many methods to create document, vertex and edge types. They originally were designed to allow different parameters, but it would be better to use builder instead. For example, this method:

DocumentType createDocumentType(String typeName, List<Bucket> buckets, int pageSize);

Could be written with a Builder like this:

buildDocumentType().withName(typeName).withBuckets(buckets).withPageSize(pageSize).create()

I'd like to refactor this API and mark the (many) methods with a different signature as @Deprecated and keep them for a while before removing them.

Any thoughts?

[lvca]

Created issue #1102.