Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_control
Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_control
Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_control
use only 2 cpus to compile
Merge pull request #77 from garaemon/less-cpu

use less cpu on travis