This week was really productive i have been able to make the widget work and the code is at http://github.com/zerocool1989/citation-manager-widget
Also the Spec is updated at
I made a widget development guide with all the troubles i faced while developing the code at
http://confluence.sakaiproject.org/display/3AK/Widget+development+for+a+beginner which is still a very basic draft.
The coming week will be dedicated to developing the widget where the user's can add comments and tags to the citations.