Add distrbution files and clean compilation templates.

distribution-specifics/:
- Change the "Version" field in the .dsc
- dep_fluentbit: Add distribution-specifics/dep_fluent-bit/, templates/compilation-templates/dep_fluent-bit/
- fluent-bit: Add distribution-specifics clean the compilation templates.
- Move and update light-build-dependencies/ to dep--mca/
- dep--mca--static/: Fix a bug (wrong .dsc name).

distribution-specifics/, templates/:
- Change dep_* to dep--* and rename the files accordingly.
- Modify directories, file names and file contents according to the *-static -> --*static switch.

build-scripts/build_tree.sh Fix the local model for slapos repository.