Merge remote-tracking branch 'titou/master'
[enh] better login
[fix] add forgoten users/templates/login.haml
Merge remote-tracking branch 'titou/master'
[add] thread creation is now possible
[enh] Node is now taggable by using Node.add_keyword('plop')
[fix] ignore whiteboard/templates/graph.svg
[dev] Adding http://pypi.urlab.be/simple as main source for pip