adding identifiers to section headings
adding initial background info and art for Bootstrap
add org to author line of title content
add initial content to intro slide
adding initial content for field-catalog slides;
adding initial content for responsive slides;
adding initial content for bootstrap slides;
refactoring layout of slides into 'slides' directory, files names per their sections
adding html5 logo to responsive slide
adding when-responsive-isn't-enough section
reordering Goals slides in Catalog section
cleaning up formatting of responsive-design definition
adding TODO note: nexrad mosaic
Merge branch 'feature-slides'