Added quizzes folder and empty npm-commands.md page.
Removed file.
Merge remote-tracking branch 'upstream/master'
Added npm quiz #25
Testing .md file formatting.
Revert "Testing .md file formatting."

This reverts commit 1461a1d3c3250e4074dd0234dd8dfd2c67e97360.
Added more info about listing packages.
package name placeholder was hiding package name.
Merge remote-tracking branch 'upstream/master'
Added npm presentation url.
Updated npm quiz #25
Revert "Updated npm quiz #25"

This reverts commit 2a1c50ff7e2f492c8343982277e476b3ef11db02.
Updated npm quiz #25
Updated npm quiz formatting #25
Merge pull request #41 from Oona/master

Added quiz about npm commands #25