To ease the creation of contexts, variadic let us declare several
values in one call (no extra brace) while ticky context let us
add new information while they arrive.
The example shows a random trial making a test fail. We force the failure
for the unit tests, which does not remove the documentation value of the
example.
- major reorganization of the output section
- making more clear what a log and what a report is
- checkpoints doc update
- links to API, improved doxygen documentation and reference
- renamed files and sections
- JUNIT additional doc
- removed useless parts
