package freeglut: fix required autoconf version
requirements: increase autoconf version
update package sqlite
update package curl
update package poppler
reorganise native and cross tools between ocaml-native and ocaml-core
Merge pull request #175 from william3/ocaml-native-core

reorganise native and cross tools between ocaml-native and ocaml-core
package cgal: use version variable for doc install dir
Merge branch 'master' into multi-rebase