fix .helplink floating into parent sibling row containing .homelink

.helplink doesn't position within its "row" container and covers up the parent sibling row containing .footnote and .sitelink
Merge pull request #36 from thedannywahl/fix_helplink_float

fix .helplink floating into parent sibling row containing .homelink
Updated readme
Minor fix for UL spacing
stupid commit
fix styling on moodledocs link