fix links on learning path
remove letter spacing
remove bullets on my articles
fix navbar on landing page
fix help documents on page
add back to top link to lp
box for prerequisites on lp
fix back to top link
weird bug
Merge pull request #71 from TeamMentor/Markdown_Friendly_Continued

Markdown Friendly Continued
Merge branch 'master' into Issue_68_Library_Rendering
Couple unit-tests fixes