major update to express 4
Merge branch 'master' into express4
client cookie's name now 'softwerkskammer.org'
removed method-override from required express middleware
extended credits to reflect new express version
ooopsi, forgot to remove declaration
dropping node 0.8 support
express treats URL like '.../something' and '.../something/' with or without trailing '/' the same. We don't have to do that explicitly
Revert "express treats URL like '.../something' and '.../something/' with or without trailing '/' the same. We don't have to do that explicitly"

This reverts commit 5aae93c312c1be641d8a353865c279a7fa526b6a.
cleanup in .gitignore
adapted read me - removed compatibility for node 0.8
Merge pull request #639 from leider/express4

Express4