config: regenerate model with dogen 881
sml: add initial infrastructure for comments parser
sml: implement comments parser
generator: use comments parser when reading pods from dia
agile: open Refactor =transform_string_attribute=
agile: Optional io formatter has no space between stream and inserter
test models: add odb test model
generator: fix bug when transforming dia string

We were incorrectly removing all hashes rather than the first and
last, which mangles the newly added markers for implementation
parameters. The correct fix has been backloged - we still have a copy
and paste job.
generator: finish support for implementation parameters

- propagate implementation parameters to view model
- detect odb parameters and process them accordingly
generator: make note of the odb target in cmake formatter