Merge signin/register dropdown into a single button
Added SSO links
Merge branch 'master' into oauth2
Merge branch 'master' into oauth2
Handle absolute URL in login redirect
Change cookie name
Merge branch 'master' into oauth2

Conflicts:
	weckan/templates/navbar.html
Fetch User from repoze.who
Merge branch 'master' into oauth2
Link to SSO profile
Merge branch 'master' into oauth2
Merge branch 'master' into oauth2

Conflicts:
	weckan/templates/dataset.html
	weckan/templates/home.html
Use all SSO URLs
Merge branch 'master' into oauth2
Merge branch 'master' into oauth2
Merge branch 'master' into oauth2