Display currently used sort order properly
Add note about promises documentation
Implement basic logout functionality, without styles
Dissociate likesCount and liked associated behaviour, based on logged state
Remove useless API call when getting logged in user data
New hullLogin directive shown in place of 'Post button', but...

- Things are starting to get messy because of mixing Hull specific calls and Disclone specific stuff, especially with the various $scope levels and $scope's $digest loop. Needs a big refactoring where EVERYTHING is in a service.