Improve META
Use the js_of_ocaml syntax extension by default
META: clean futher
META: remove external syntax extension
Tools: autoload eliom.predef.syntax
META: Remove all .base packages
OCamlbuild plugin: Use all syntaxes by default and add a tag the allow only the eliom syntax (no_external_syntaxes)
OCamlbuild plugin: Rename no_external_syntaxes to no_extra_syntaxes
OCamlbuild plugin: Use directly eliom.predef.syntax
Remove CLIENT_SYNTAX and Rename SERVER_SYNTAX to EXTRA_SYNTAX
Error message for syntax extension conflict
META: partial revert of ae2448f
misc
META: no more syntax automatic selection
OCamlbuild plugin: Fix the use of Filename.check_suffix
Merge pull request #80 from ocsigen/improved-META-hh

Improved meta