Fix README, Makefile and config.sh.

README

@@ -16,7 +16,8 @@ steps:
     - ros-groovy-desktop-full,
     - ros-groovy-libccd,
     - asciidoc,
-    - source-highlight
+    - source-highlight,
+    - git
 
   2. Choose a directory on you file system and define the environment
      variable DEVEL_DIR with the full path to this directory.
@@ -27,7 +28,11 @@ steps:
    - https://raw.githubusercontent.com/humanoid-path-planner/hpp-doc/master/doc/config.sh in $DEVEL_DIR, and
    -https://raw.githubusercontent.com/humanoid-path-planner/hpp-doc/master/doc/Makefile in $DEVEL_DIR/src 
   
-  4. cd into $DEVEL_DIR/src and type
+  4. cd into $DEVEL_DIR and type
+
+    source config.sh
+
+  5. cd into $DEVEL_DIR/src and type
 
     make all.
 

doc/Makefile

@@ -97,7 +97,7 @@ all: ${install_all}
 
 %.checkout:
 	if [ -d $(@:.checkout=) ]; then \
-		echo "$(@:.checkout=) already checkout out." \
+		echo "$(@:.checkout=) already checkout out."; \
 	else \
 		git clone --recursive -b ${$(@:.checkout=)_branch} ${$(@:.checkout=)_repository}/$(@:.checkout=); \
 	fi \

doc/config.sh

 export PATH=$DEVEL_DIR/install/sbin:$DEVEL_DIR/install/bin:$PATH
-export PKG_CONFIG_PATH=$DEVEL_DIR/install/lib/pkgconfig/:/opt/grx/lib/pkgconfig
+export PKG_CONFIG_PATH=$DEVEL_DIR/install/lib/pkgconfig/:/opt/ros/groovy/lib/pkgconfig
 
 export PYTHONPATH=$DEVEL_DIR/install/lib/python2.7/site-packages:$DEVEL_DIR/install/lib/python2.7/dist-packages:/opt/ros/groovy/lib/python2.7/dist-packages:$PYTHONPATH