fix kinfu and kinfuLS exceptions
fix irregular program abort by exception handling
fix bad reinit on a vector
Disable testing by default
enable testing in travis
Rename old ROS components (sensor_msgs/*)

std_msgs::Header -> pcl::PCLHeader
sensor_msgs::Image -> pcl::PCLImage
sensor_msgs::PointCloud2 -> pcl::PCLPointCloud2
sensor_msgs::PointField -> pcl::PCLPointField
Took out all USE_ROS references
Move conversions into common/pcl

fromROSMsg -> fromPCLPointCloud2
toROSMsg -> toPCLPointCloud2
- missing PCL_EXPORTS for pcl::people::HOG class
- move includes to the cpp file