Others: Fix small things.

- distribution-specifics/dep_fluent-bit/: Initial commit.
- templates/compilation-templates/dep_fluent-bit/: Initial commit.

fluent-bit: Add distribution-specifics and clean Makefile.in
- distribution-specifics/fluent-bit/: Initial commit.
- templates/compilation-templates/fluent-bit/Makefile.in: Clean a little bit.

- templates/compilation-templates/dep_mca-static/:
    - Copy from light-build-dependencies-mca/ (which will be moved to dep_mca in the near future).
    - Makefile.in: Don't copy the dynamic libraries.

- distribution-specifics/dep_mca-static/: Rename accordingly.

template/compilation-templates/light-build-dependencies-mca/: Update Makefile.in
- Don't rename libfluentbit_wendelin.so into fluentbit_wendelin.so
- Don't copy include/
- Some more tweaks.

distribution-specifics/light-build-dependencies-mca/debian: Update dirs accordingly.

distribution-specifics/:
distribution-specifics/light-build-dependencies-mca/: Update.
distribution-specifics/static-light-build-dependencies-mca/: Initial commit.
- Add support for a statically linked version of MCA.
(- Copy the .dsc and the debian files from light-build-dependencies-mca with the right replacements.)

templates/compilation-templates/mca/: Fix improve the Makefile. Copy more things from openssl(-dev), i.e. everything except the links to the certificates (in parts/ca-certificates/).

build-scripts/*bootstrap_buildout.sh: Improve the backup mechanism of the tarball directory taking into account the Go modules handling.

TODO.txt: Update.
build-scripts/clean_build_tree.sh: Fix failure when $RUN_BUILDOUT_DIR/go did not exist.
build-scripts/bootstrap_buildout.sh: Fix a bug in the backup mechanism.
templates/:
- Fix mca/Makefile.in
- Change debian_defaults/dirs.in to fit the mca case.

TODO.txt: Update.
build-scripts/clean_build_tree.sh: Fix failure when $RUN_BUILDOUT_DIR/go did not exist.
build-scripts/bootstrap_buildout.sh: Fix a bug in the backup mechanism.
templates/:
- Fix mca/Makefile.in
- Change debian_defaults/dirs.in to fit the mca case.

templates/compilation-templates/mca/Makefile.in: Support fluentbit-plugin-wendelin as a separate tarball.

build-scripts/bootstrap_buildout.sh: Add a backup of the build tree right after the local buildout run.

Change from SOFTWARE_NAME macro to SOFTWARE_AND_VERSION in dirs.in. Add SOFTWARE_AND_VERSION to NAME_REFEX in build-scripts/configuration-information.sh.

Warning: General targets tested with lunzip. Reversibility with clean_* untested.

templates/: Split into compilation templates and distribution files templates.

distribution-specifics/:
- Remove mca, lunzip and fluent-bit files: they should be generated the same way.
- Add examples files.

build-scripts/:
- Add some variables.
- Add a script for the distribution files.

Makefile:
- Add a stage for distribution files.
- Add a build target: no distrib files generation, no obs.

build-scripts/: Backup bin/buildout and restore it so that it is not "rebootstraped" when sent to OBS.

- Fix a bug. Add DESTDIR in Makefile.
- Change a variable name.
- Add debugs with ls
distribution-spefcifics/lunzip/debian/dirs: Fix (add / at the beginning)

- Fix a bug. Add DESTDIR in Makefile.
- Change a variable name.
- Add debugs with ls

- Tweak some lines.
- Warning: switch to mca
distribution-specifics/mca/: Tweak some files.

build-scripts/configuration-information.sh: Switch version to 1. Warning: switch to fluent-bit
distribution-specifics/: Change version from 0-1 to 1-1 (Debian standard doesn't use 0?).

build-scripts/configuration_information.sh: Warning: Switch to mca.
TODO.txt: Update.

- Update the debian/dirs files.
- Change the version and add the version in the name or field where required.

templates/*: Improve the templates system: It is no longer needed to modify the templates to build another SR.
templates/Makefile.in: Improve the target management.
build-scripts/*: Add new variables and improve the genericization.

build-scripts/*: Simplify the scripts and add a variable for the path of the current tarball.
build-scripts/obs.sh: Delete .install.cfg in the directory where builtout is run.