Readme updates

README

@@ -44,10 +44,8 @@ pip3 install -r requirements.txt
 
 ### Executing program
 
-* How to run the program
-* Step-by-step bullets
 ```
-code blocks for commands
+./src/Main --graphical --ros
 ```
 
 ## Help
@@ -61,26 +59,13 @@ command to run if program contains helper info
 
 Contributors names and contact info
 
-ex. Dominique Pizzie  
-ex. [@DomPizzie](https://twitter.com/dompizzie)
-
-## Version History
-
-* 0.2
-    * Various bug fixes and optimizations
-    * See [commit change]() or See [release history]()
-* 0.1
-    * Initial Release
+  Paraskevas Karachatzis
 
 ## License
 
-This project is licensed under the [NAME HERE] License - see the LICENSE.md file for details
+This project is licensed under the GPL2 License - see the LICENSE.md file for details
 
 ## Acknowledgments
 
 Inspiration, code snippets, etc.
-* [awesome-readme](https://github.com/matiassingers/awesome-readme)
-* [PurpleBooth](https://gist.github.com/PurpleBooth/109311bb0361f32d87a2)
-* [dbader](https://github.com/dbader/readme-template)
-* [zenorocha](https://gist.github.com/zenorocha/4526327)
-* [fvcproductions](https://gist.github.com/fvcproductions/1bfc2d4aecb01a834b46)
+* turtlesim (https://github.com/ros/ros_tutorials)