Rename .texinfo file to .texi

Otherwise, automake>=1.13.2 complains

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Fix liboml2.conf(5)

fixes: #1263

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Generalise the way the command line is created in tests

This is ugly, but we have to until #699 is fixed and we can do cleaner
things.

refs: #699

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Make BufferedWriter close Oml*OutStreams

fixes: #1279

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Add config_metadata test

refs: #1266

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>
Keep _experiment_metadata when using configuration file

fixes: #1266

Signed-off-by: Olivier Mehani <olivier.mehani@nicta.com.au>