Added main.py that now contains the One & Only Singleton instance of these classes:

- Navigator
 - Aplication
 - Workflow
 - Project
 - Options
Corresponding changes have been added in lots of other files to account for this, but
the access to these objects should now be a lot easier.

bin/fluents

@@ -3,7 +3,7 @@
 from getopt import getopt
 import os
 import sys
-from fluents import fluents, project, workflow
+from fluents import fluents, project, workflow, main
 import workflows
 import cfgparse, optparse
 
@@ -68,11 +68,16 @@ if __name__ == '__main__':
         if wf.ident == options.workflow:
             selected_wf = wf            
 
-    app = fluents.FluentApp(selected_wf)
-    app.options = options
-    fluents.app = app
 
-    app.set_project(project.Project())
+    main.set_workflow(selected_wf())
+    main.set_options(options)
+    app = fluents.FluentApp()
+
+    main.set_application(app)
+    main.set_project(project.Project())
+
+
+    app.set_project(main.project)
     app.show()
     gtk.main()