Fixed error in session

Signed-off-by: Nils Van Geele <nils.vgeele@gmail.com>
Merge pull request #31 from se1-1314/fix-session

Fixed error in session

Automatic merge
Flag links in header point to /lang/:locale links
Title arg for base template, shorter translate ns in core.clj
Using cookie-store for sessions now
Merge branch 'master' into use-cookie-store

Conflicts:
	src/xiast/core.clj
Docstring caused troubles

Signed-off-by: Nils Van Geele <nils.vgeele@gmail.com>
Replaced handler/site to make i18n work

Signed-off-by: Nils Van Geele <nils.vgeele@gmail.com>
Merge pull request #32 from se1-1314/use-cookie-store

Use cookie store and working, persistent internationalisation
Merge branch 'master' of https://github.com/se1-1314/xiast into show_courses

Conflicts:
	resources/templates/layout.html
show courses