Remove HTML comment for Analytics. This is handled in WordPress
Cleanup docblock for spine_categorized_body_classes()
Document spine_is_sub()
Remove spine_is_subpage in favor of spine_is_sub
Remove unused image code from functions
Cleanup spacing and code formatting on spine_trim_excerpt()
Cleanup documentation on spine_theme_caption_markup()
Add documentation to spine_theme_menus()
Remove some unnecessary spacing and commenting
Merge pull request #74 from washingtonstateuniversity/review

[PR] Add comments, remove spine_is_subpage()