Updated tutorial after receiving some helpful feedback
Merge pull request #139 from duckduckgo/zaahir/goodie-qs-update

Updated tutorial after receiving some helpful feedback
fathead_overview.md: limit the languages that we can use
Switch to bolding for output.txt mention
more formatting updates
Merge pull request #140 from duckduckgo/jag/language

fathead_overview.md: limit the languages that we can use
remove symbol that is not being rendered properly
Merge pull request #141 from jarmokivekas/metadata-attribution

Special symbol rendering errors