Removing eliom_csreact from testsuite (now in lib)
Add missing link in testsuite
Adding more function in Eliom_content.Manip
Adding missing interface for Html5.Manip
Fix Manip.appendAfter/Before
Adding parameter ?default to SharedReact.create and SharedReactiveData.DList.make, to make possible to generate elements from server side when they are already cached on client side