* images are now responsive in the project content (really!)

--> faster loading of overviewpage as ldap query is now done only when needed

* images are now responsive in the project content
* footer background has been fixed

issue #63: float nav left (width: 20%) and content right (width 80%) when navigation is disabled but administrative controls are enabled (and nav visible)

* title of proposal dialog
* order of project owner configuration tabs

It makes no sense to assign the container-fluid and the container class to a div. The fluid class is like the container but with full width. As we discussed, the text inside the div should behave like the other texts on the site (container).

See http://getbootstrap.com/css/#overview-container for more information