renamed images to create better organization...

in process of updating images so they have new interface and iD
editor...
Update README.md
Update README.md
Update picture reference
Update 0200-12-30-introduction.md
updated images
Images updated
Updated images
update images
Merge branch 'gh-pages' of https://github.com/hotosm/learnosm into gh-pages
Merge pull request #6 from hotosm/gh-pages

upd from master gh-pages repo