put out a call on the main page for Åpen Fagkveld

also to keep the main page left-right balanced I temporarily moved the
"great place to work" to Karriere siden. Only till feb.6, then I will
put back everything as it was.
bit of a typo fix
deleted an extra div
Merge pull request #28 from iterate/put-out-a-short-notice-about-Fagkveld-on-the-main-page

Put out a short notice about fagkveld on the main page and temporarily reorganised the "great place to work" section to keep the graphics balanced.