Merge pull request #130 from jukra/master

Updated participation file
4th assignment, WIP
Fouth is done
Update participation.md
Merge remote-tracking branch 'upstream/master'
Discussion during class
Merge pull request #131 from tuunanen/master

Updated participation
Added issue link
Merge pull request #132 from merilainen-metropolia/patch-5

Added issue link
Few links and spell checking
Merge branch 'master' of github.com:paazmaya/modern-web-tools-with-node-js-book
Updated task list
Examples found from email draft
Merge pull request #133 from merilainen-metropolia/patch-6

Updated task list. Good job!
Today is database as a topic
Idea for subject
Examples
Merge branch 'master' of github.com:paazmaya/modern-web-tools-with-node-js-book
Link to a blog post that has almost the same things that came up during the lecture discussion
Ignore debug log