Merge pull request #40 from JoahG/master

Closes #38. Removes Alternatives to Codecademy
GFM test
Create how-are-groups-different-from-Q&A-forums
Merge https://github.com/RyzacInc/help.codecademy.com into patch-3
fixed naming
Merge pull request #1 from JoahG/patch-3

Fixed naming + merged with origin
Update how-are-groups-different-from-q-a-forums.md

Edited to make a more organized article.
small grammatical issue
Merge pull request #2 from sharocko/judy

small grammatical issue
Typo
Tone
Improve accuracy and tone.
Incude link to COPPA
Create can-i-navigate-codecademy-courses-with-keyboard-shortcuts
Merge pull request #41 from AlbionsRefuge/master

add how-are-groups-different-from-q-a-forums
add how to join a group
Close #41
Adding an article_id
Changed link for COPPA and reverted  accidental article add
Merge https://github.com/cuttarug/help.codecademy.com into patch-5