rewrite bootstrap script to use shelljs as the bootstraping process is kinda weird now with multiple packages

scripts/bootstrap.js

@@ -0,0 +1,44 @@
+var path = require("path");
+var fs   = require("fs");
+
+require("shelljs/global");
+
+exec("npm list --global --depth 1 babel >/dev/null 2>&1 && npm uninstall -g babel || true");
+
+// get packages
+var packages = [];
+ls("packages/*").forEach(function (loc) {
+  var name = path.basename(loc);
+  if (name[0] !== ".") {
+    var pkg = require("../packages/" + name + "/package.json");
+    packages.push({
+      folder: name,
+      pkg: pkg,
+      name: pkg.name
+    });
+  }
+});
+
+// create links
+packages.forEach(function (root) {
+  console.log(root.name);
+
+  var nodeModulesLoc = "packages/" + root.folder + "/node_modules";
+  mkdir("-p", nodeModulesLoc);
+
+  packages.forEach(function (sub) {
+    if (!root.pkg.dependencies || !root.pkg.dependencies[sub.name]) return;
+
+    if (!fs.existsSync(nodeModulesLoc + "/" + sub.name)) {
+      ln("-s", "packages/" + sub.folder, nodeModulesLoc + "/" + sub.name);
+    }
+  });
+
+  cd("packages/" + root.folder);
+  exec("npm install");
+  exec("npm link");
+  cd("../..");
+});
+
+exec("git submodule update --init");
+exec("make build");