[Travis] Add submodule.

.gitmodules

 [submodule "cmake"]
 	path = cmake
 	url = git://github.com/jrl-umi3218/jrl-cmakemodules.git
+[submodule ".travis"]
+	path = .travis
+	url = git://github.com/jrl-umi3218/jrl-travis

.travis @ 52a6b185

+Subproject commit 52a6b185463163784cf6b17f5b92438cc53aeddf

.travis.yml

+language: cpp
+compiler: gcc
+env:
+  global:
+  - APT_DEPENDENCIES="doxygen doxygen-latex libboost-all-dev libeigen3-dev liblapack-dev
+    libblas-dev gfortran python-dev python-sphinx python-numpy libbullet-dev
+    ros-hydro-angles 
+    ros-hydro-common-msgs
+    ros-hydro-control-msgs
+    ros-hydro-realtime-tools
+    ros-hydro-resource-retriever
+    ros-hydro-robot-state-publisher
+    ros-hydro-ros-base
+    ros-hydro-tf
+    ros-hydro-urdf
+    ros-hydro-urdfdom-py"
+  - GIT_DEPENDENCIES="jrl-umi3218/jrl-mathtools jrl-umi3218/jrl-mal laas/abstract-robot-dynamics jrl-umi3218/jrl-dynamics
+    stack-of-tasks/dynamic-graph stack-of-tasks/dynamic-graph-python stack-of-tasks/sot-core
+    stack-of-tasks/sot-tools stack-of-tasks/sot-dynamic 
+    francois-keith/jrl_dynamics_urdf:topic/fixed_joints"
+  - ROS_VERSION=hydro
+  - ROS_GIT_DEPENDENCIES="francois-keith/dynamic_graph_bridge_msgs:catkin francois-keith/dynamic_graph_bridge:catkin laas:romeo"
+  - ALLOW_CATKINLINT_FAILURE=true
+notifications:
+  email:
+  - francois.keith@gmail.com
+branches:
+  only:
+  - master
+  - catkin
+  - travis
+script: ./.travis/run build
+after_success: ./.travis/run after_success
+after_failure: ./.travis/run after_failure
+before_install: ./.travis/run dependencies/catkin; ./.travis/run before_install
+