removed old, uneeded Sass variables
changed cat name from Books to Reviews
change "$link-color" Sass variable name to"$post-link-color"
change "$background-color" Sass variable name to "$site-background-color"
add clearer comments to grunt/cssSource/_base.scss
fix spelling error in comments on grunt/cssSource/_oldIE.scss
remove uneeded WordPress comment from grunt/cssSource/_assistive.scss
add comment that defines media query height/width variables