Allow configuration of the default set of selected metadata types when creating a new project

[Scott Wells]

This was requested by an end user here:

https://groups.google.com/a/illuminatedcloud.com/d/msg/qanda/hqyyU77zaLA/U8tkgo2VBgAJ

Basically the request is to allow the set of pre-selected metadata types in the new project wizard to be configurable.

[Scott Wells]

Issue #2013 was marked as a duplicate of this issue.