update

README.md

@@ -2,15 +2,33 @@
 
 Collection of various message packages which can be useful to a broader range of other packages.
 
-
 # Dependencies
 
 * [object_recognition_msgs](http://wiki.ros.org/object_recognition_msgs)
-
+* This repository itself: [general-message-pkgs](https://github.com/JenniferBuehler/general-message-pkgs)
 
 # Install
 
 ```
 sudo apt-get install \
     ros-<distro>-object-recognition-msgs
-```     
+```
+ 
+Add the git repository to your catkin workspace:
+
+```
+cd <your-catkin-ws>/src
+git clone https://github.com/JenniferBuehler/general-message-pkgs.git
+```
+
+*Hint*: Alternatively to cloning the repositry directly into the catkin source folder, you
+may also clone the repository elsewhere and then create a softlink to the main folders
+in your catkin source directory:    
+``ln -s <path to general-message-pkgs>`` 
+ 
+To compile, you can now use catkin\_make as usual:
+
+```
+cd ..
+catkin_make
+```