Reactive Dom

merge with react

rm warning

merge
React: new testsuite

merge with testsuite
[testsuite] more
[React] First doc
Merge branch 'master' into reactive3
Reactive nodes: improving user manual
Update to last tyxml
Fixing reactive node example in manual
Adding module Eliom_registration.File_ct to make easier to send files with their content type
Renaming caml to ocaml everywhere and OCaml to Ocaml
Small changes in reactive DOM doc
Merge branch 'reactive3'