Merge pull request #55 from tuunanen/master

Added link to Lecture 5 task by HeikkiAlanen, olemstrom and tuunanen.
Merge pull request #5 from paazmaya/master

Update
Update assignment-projects.md
Update participation.md
Update 2014-09-16.md
Merge pull request #83 from jukra/master

Update assignment-projects.md, participation.md and 2014-09-16.md
Onnia project link add
Merge pull request #84 from onnia/onnia-branch

Onnia project link add
Add first assignment link
Merge pull request #85 from tariel/master

Add first assignment link
Today is here, but where were these commits?
Added project link and description.
Merge pull request #86 from mpiivonen/master

Added project link and description.