tests: add licence to existing zzz_tests files

Signed-off-by: Jean Privat <jean@pryen.org>
tests: add meta-tests related to the execution control

* zzz_tests/zzz_test_args.nit
* zzz_tests/zzz_test_envvar.nit
* zzz_tests/zzz_test_in.nit
* zzz_tests/zzz_test_post_proc.nit
* zzz_tests/zzz_test_write.nit

Signed-off-by: Jean Privat <jean@pryen.org>
benchs: update run programs. Remove pep8analysis because it is too fast

Signed-off-by: Jean Privat <jean@pryen.org>
benchs: use the bootstraped nitg because it is correcly compiled since d055af3c72

Signed-off-by: Jean Privat <jean@pryen.org>
benchs: update compilation options (faster, slower, etc.)

Signed-off-by: Jean Privat <jean@pryen.org>
benchs: add more engines and gc options

Signed-off-by: Jean Privat <jean@pryen.org>
benchs: produce .xml files conform with junit

Signed-off-by: Jean Privat <jean@pryen.org>
bench: add generated files for xml and html to .gitignore

Signed-off-by: Jean Privat <jean@pryen.org>
tests: improve documentation

Signed-off-by: Jean Privat <jean@pryen.org>
Merge: tests: improve documentation

Closes #711

Pull-Request: #713
Reviewed-by: Alexandre Terrasa <alexandre@moz-code.org>
Reviewed-by: Lucas Bajolet <r4pass@hotmail.com>
Merge: Clean benchs

update benchs/bebch_engines.sh to fix issues, add options and programs.

Preview of updated version is available at http://info.uqam.ca/~privat/nitdoc/ ; was run in background on a busy machine, so numbers have a lot of uncertainty.
bench_engines is quite interesting.

Pull-Request: #714
Reviewed-by: Alexandre Terrasa <alexandre@moz-code.org>