Cytoscape Web 0.7.4 release

[Max Franz]

We're pleased to announce the release of a new version of Cytoscape Web.  This release is focussed on a number of bugfixes.  However, we have also added some highly-requested features.  

It is now possible to set different width and height values to nodes (e.g. creating ellipses, and not just circles).

Nodes can be totally transparent now but still display a background image or the border, if necessary. You simply need to set "transparent" to the node color visual property in a VisualStyle or VisualStyleBypass object.

The built-in pan-zoom control is also a bit more flexible now, as you can choose the position where it is placed when Cytoscape Web starts.

As usual, we appreciate your feedback.