Event :
* Change button icon for all searchview.
* Develop 'group by partner' functionality in make invoice wizard of registration form.
* change yaml as per changes in make invoice wizard.
* remove 'List of register event' wizard and put link on in event form.
* ADD 'Send a new mail' button for mail
* Improve history functionality.
* add group : event/manager and event/subscriber.
Membership .
* merge two sql query in one repor_membership file.
* develop search view of that report.
* change icon for search view.
bzr revid: hmo@tinyerp.com-20100626101340-bt77wjb8ug3a3flj
b93efbe7c4