improved networkview. It now displays GPG connexions from p3disc, and accepts dynamic friend level modification. Needs full recompilation.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3793 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/elastic/node.h

@@ -63,6 +63,7 @@ public:
     const QList<Edge *>& edges() const;
 
     int type() const { return Type; }
+	 const std::string& idString() const { return _gpg_id ; }
 
     void calculateForces(const double *data,int width,int height,int W,int H,float x,float y,float speedf);
     bool advance();