layout
remove
d
second iteration of tutorial 4 example	g
Merge branch 'tutorial4' of github.com:codebar/tutorials into tutorial4
layout final
formatted
remove trailing and blank spaces
add caption to second image, refactor css
rewording content and small styling tweaks
Some tweaks to page and style, to make it easier
to build for the tutorial
4th tutorial!
Merge pull request #22 from codebar/tutorial4

Tutorial4