add license, requirements, setup and install scripts

scripts/install_rbdl.sh

@@ -0,0 +1,74 @@
+#!/bin/sh
+# This bash script install the rbdl library and the official python wrapper
+# 
+# repo + documentation: https://rbdl.bitbucket.io/
+# paper: https://pdfs.semanticscholar.org/f129/5068f646ea9379da72ba5183276ca73a038d.pdf
+
+# Define few variables
+currentdir=$PWD
+
+# Check if user is root/running with sudo
+if [ `whoami` != root ]; then
+    echo "Please run this script with sudo"
+    exit
+fi
+
+# check the first argument which must be the source directory
+if [ -z $1 ]
+then
+    echo "Specify the absolute location (or relative to home) where to install the Openpose package."
+    exit
+fi
+
+# move to that directory
+cd; cd $1
+
+# Install requirements
+# update & upgrade #
+sudo apt-get update
+sudo apt-get upgrade
+
+#install cython
+sudo apt-get -y install cython
+# build-tools
+sudo apt-get -y install build-essential
+sudo apt-get -y install cmake
+# eigen 
+sudo apt-get -y install libeigen3-dev 
+
+# download and install rbdl
+sudo rm -r rbdl
+wget https://bitbucket.org/rbdl/rbdl/get/default.zip
+unzip default.zip
+rm default.zip
+mv rbdl-rbdl-* rbdl
+cd rbdl
+mkdir build && cd build/
+cmake -D CMAKE_BUILD_TYPE=Release -D RBDL_BUILD_ADDON_URDFREADER=ON -D RBDL_BUILD_PYTHON_WRAPPER=ON ../ 
+# make error fix: cd addons/urdfreader
+# open urdfreader.cc
+# remove the line: #include "ros/ros.h"
+make -j`nproc`
+sudo make install
+
+## to use python wrapper, you need to install Cython and NumPy
+cd python
+sudo cp rbdl.so /usr/local/lib/python2.7/dist-packages 
+sudo cp rbdl.so /usr/local/lib/python2.7/site-packages
+
+# return to original directory
+cd currentdir
+
+
+## to wrap GetBodyId() function
+# 
+# Inside crbdl.pxd, add:
+# unsigned int GetBodyId(const char *body_name)
+# inside cdef cppclass Model:
+# 
+# Inside rbdl-wrapper.pyx, add:
+# def GetBodyId (self, char* body_name):
+#      return self.thisptr.GetBodyId(body_name)
+# inside cdef class Model:
+# 
+# then do cmake, make, install again