add travis config file, and add an "override os detection" feature in build-install script for travis
Merge branch 'develop' of https://github.com/capensis/canopsis into develop
prepare changes for subset selection in schedules
modify schedule view to manage subset_selection
Merge branch 'develop' of https://github.com/capensis/canopsis into develop
Merge branch 'develop' of https://github.com/capensis/canopsis into develop
Merge branch 'develop' of https://github.com/capensis/canopsis into develop