[minor] Add missing license, update README and NEWS

NEWS

+New in 1.0.1, 04/30/2015:
+* Added computation of non-linear-effects
+* Now handle fixed joint when parsing urdf files and keep trace of fixed bodies
+* Added Lua parser to build models
+* Added planar and translation joints
+* Fixed function se3ToXYZQUAT used with python
\ No newline at end of file

README.md

@@ -3,6 +3,16 @@ Pinocchio
 [![Build Status](https://travis-ci.org/olivier-stasse/pinocchio.png?branch=master)](https://travis-ci.org/stack-of-tasks/pinocchio)
 [![Coverage Status](https://coveralls.io/repos/olivier-stasse/pinocchio/badge.png)](https://coveralls.io/r/stack-of-tasks/pinocchio)
 
+**Warning:** This repository contains [Git
+submodules][git-submodules]. Please clone this repository using the
+`git clone --recursive` command. If you already have cloned the
+repository, you can run `git submodule init && git submodule update`
+to retrieve the submodules.
+
+
+For general information about the project, please refer to its
+homepage: http://stack-of-tasks.github.io/pinocchio/
+
 Setup
 -----
 

src/multibody/joint/joint-planar.hpp

+//
+// Copyright (c) 2015 CNRS
+//
+// This file is part of Pinocchio
+// Pinocchio is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation, either version
+// 3 of the License, or (at your option) any later version.
+//
+// Pinocchio is distributed in the hope that it will be
+// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Lesser Public License for more details. You should have
+// received a copy of the GNU Lesser General Public License along with
+// Pinocchio If not, see
+// <http://www.gnu.org/licenses/>.
+
 #ifndef __se3_joint_planar_hpp__
 #define __se3_joint_planar_hpp__
 

src/multibody/joint/joint-translation.hpp

+//
+// Copyright (c) 2015 CNRS
+//
+// This file is part of Pinocchio
+// Pinocchio is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation, either version
+// 3 of the License, or (at your option) any later version.
+//
+// Pinocchio is distributed in the hope that it will be
+// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Lesser Public License for more details. You should have
+// received a copy of the GNU Lesser General Public License along with
+// Pinocchio If not, see
+// <http://www.gnu.org/licenses/>.
+
 #ifndef __se3_joint_translation_hpp__
 #define __se3_joint_translation_hpp__