ignore OS X .DS_Store files
renamed readme to md so github parses it nicely
shared version of latest gl-matrix.js
upgraded lesson01 to latest gl-matrix syntax

Also using shared gl-matrix source file
Updated lesson02 to latest gl-matrix syntax

Also using shared glmatrix file
updated lesson03 to latest gl-matrix syntax

also using shared glmatrix file
updated lesson04 to latest glmatrix

moved webgl-utils into shared location
moved webgl-utils and gl-matrix into assets folder
updated lesson05 to use latest gl-matrix syntax
updated lesson06
Update formatting of README 

It'll look 'prettier' on github.

Also added a section in running a local webserver that uses Ruby/Python/Perl etc one-liners
Merge branch 'glmatrix-upgrade' of github.com:crakalakin/webgl-lessons into glmatrix-upgrade
prevent default on key press so page doesn't scroll
updated syntax of 07
updated lesson 08
don't prevent default. messes with input.
updated glmatrix to latest syntax
updated lesson 10
update lesson 11
lesson12