Move IE specific files into css/ie folder
Rename grid.sass files to flexgrid.sass
Complete grid to flexgrid rename
Move respond.js into js/ie folder
Add selectivizr.js for CSS3 selector support in IE 6-8
Add note for syntax to enable host support for livereload
Add three OS X convenience scripts
Add pageable: true to index.html
Rename layout/blog to layout/minimum