Repoinit: create path doesn't allow for providing required properties

As an example, adding this to a feature file of the Sling Starter

create path (oak:QueryIndexDefinition) /oak:index/someDefinition

Causes startup to fail as that nodetype has at least one required property:

OakConstraint0021:
/oak:index/contentFragmentProperty[[oak:QueryIndexDefinition]]: 
Mandatory property type not found in a new node

We might introduce a "with properties" option to "create path" using the same syntax as "set properties".

I don't need this right now so won't give priority to this ticket.