Moving app/wranglers to app/services

The wrangler directory is a weird concept.
Adding services to autoload of Engine
Restoring parsers in engine autoload

I should be using pull requests because this was sloppy.
Adding Property#replace_values and #append_values

These methods are necessary to allow different startegies of work
composition to be leveraged.

DLTP-56
Stepping towars form submission of existing works

This is a partial solution, but is not as expressive as it could be.
Namely the idea of the property_value_strategy. That should be
better encoded in the crafting of the coordinating object.

DLTP-56
Renaming service object
Extracting ApplyUserInputToWork to services dir

DLTP-56