Modification of the class names
Merge branch 'master' of https://github.com/Ahmed-Abdelhadi/Bike-Simulator-ICTP

Conflicts:
	Docs/_build/doctrees/animate.doctree
	Docs/_build/doctrees/bike.doctree
	Docs/_build/doctrees/bike_factory.doctree
	Docs/_build/doctrees/environment.pickle
	Docs/_build/doctrees/terrain.doctree
	Docs/_build/html/_sources/bike.txt
	Docs/_build/html/animate.html
	Docs/_build/html/bike.html
	Docs/_build/html/bike_factory.html
	Docs/_build/html/genindex.html
	Docs/_build/html/objects.inv
	Docs/_build/html/physics.html
	Docs/_build/html/searchindex.js
Added documentation of bike