interfaces directory now follows zope naming convention - interface files use small caps - interface class use IClassName converntion - Utils is now capable of finding appropriate files and generate the class name - this commits breaks everything - global renaming of all files and classes now in progress

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27277 20353a03-c40f-0410-a6d1-a30d3c3de9de