Merge remote-tracking branch 'upstream/master'

.gitignore

.gitmodules

.travis.yml

CMakeLists.txt

Makefile

ROMFS/px4fmu_common/init.d/rc.mc_apps

ROMFS/px4fmu_test/init.d/rcS

Tools/check_submodules.sh

Tools/gencpp

Tools/genmsg

Tools/px_generate_uorb_topic_headers.py

Tools/ros/docker/px4-ros-full/Dockerfile

Tools/ros/docker/px4-ros-full/README.md

Tools/ros/docker/px4-ros-full/scripts/setup-workspace.sh

Tools/ros/px4_ros_installation_ubuntu.sh

Tools/ros/px4_workspace_create.sh

Tools/ros/px4_workspace_setup.sh

Tools/ros/vagrant/docker-host-base/Vagrantfile

Tools/ros/vagrant/docker-host-base/config/docker-default

Tools/ros/vagrant/docker-host-base/config/xsessionrc