we need that because lerna don't always allow us to dedup (because symlinks). it's ok for the cookbooks/tests but it will be up to user to dedup anyway.
+ fix gl-react for latest yarn/npm. comment symlinks undo script
+ cookbook-rn & cookbook-expo will probably need to be fixed because don't support symlinks... however, the old way to undo this don't work.
upgrade some projects.. next release will be 3.0.0 ! not that it's fully ready yet (will still be in @next, but in order to get semver on track.. & so the projects can properly dep on the right version)
there were currently an issue with gl-react@3.0.0-alpha1 being installed instead of gl-react@3.0.0-alpha.8 when not depending on exact version, 'cause it's just not very compliant with semver