set timestamp

update to use non deprecated pluginlib macro

fix compiler warning

add .travis.yml

set ros::Time::now() because libuvc does not set capture_time (https://github.com/ktossell/libuvc/blob/master/src/stream.c#L1100)

http://build.ros.org/view/Ldev/job/Ldev__libuvc_ros__ubuntu_xenial_amd64/3/warnings21Result/

enable to compile with libuvc <= v0.0.5

add ROS Orphaned Package Maintainers to maintainer tag

Enable mjpeg support despite uvs_any2bgr shortcoming

Implement missing index select behavior

[libuvc_camera/src/camera_driver.cpp] use frame's capture time for timestamp of ros message instead of callback time

[libuvc_camera/src/camera_driver.cpp] use frame's capture time for timestamp of ros message instead of callback time

[libuvc_camera] support multiple video mode

add new parameters in cfg