New script to build components prior to running start.sh

- Add to start-linked.sh

scripts/npm-build-all.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+components_dir="$DIR/../ng2-components"
+
+for comp_dir in $( ls "$components_dir" ); do
+  echo $comp_dir
+  test -f "$components_dir/$comp_dir/package.json" && \
+    cd "$components_dir/$comp_dir" && \
+    npm run build
+done
+
+cd ${DIR}