This bt is in work in progress, I commit the changes just to not loss all my work if my computer leave me alone. So I have cleanup lot of things, but there is a lot that are not so clean. (will be soon).

lot of changes including:
- improve skin folder structure by adding erp5_egov_widget_library folder
- add a begin of user space (pending requests and documents)
- bring some changes on css files to have a better renderer
- move code parts : all things thats could be widgets have become widgets with th
eir own css file (it's easyer to understand in a development step)
- improve workflow by adding 2 new states (canceled and deleted)
- define some roles and set up security
- add 2 customs ListBox page templates
- remove a lot of backup or unused files

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@19748 20353a03-c40f-0410-a6d1-a30d3c3de9de