* moved unit-tests into the dedicated directory unitTest
* removed no-more-used files
* common code style for test and usage of test_runner.h everywhere
* imported video_input changes by Olivier Grégoire (GSoC-2017)
Change-Id: Ifbb5585caaa2618c4ab943681814c9afbfc76311
Reviewed-by: Olivier Soldano <olivier.soldano@savoirfairelinux.com>