World demo: added loop to prevent unplayable maps
World demo: updated html
Revert "World: added a 90 degrees correction of the view to have the X-Y plane the ground instead of X-Z - having the Z for height is a good thing"

This reverts commit 8559cd540633e443a7f4a725d086372874ee400a.
World: added genFinalize() to give some height for the terrain and make the x and y coordinates a little more fuzzy
World demo: added WebGL display using DisplayWebgl module
Merge pull request #18 from gheja/world

World