Installing npm dependencies after clean checkout

cli/support/release-worker.sh

@@ -6,6 +6,7 @@
 git reset --hard
 git checkout master
 git clean -d -x -f
+npm install
 echo -n "Which version are you going to publish [0 to skip]? "
 VER=`head -n 1`
 if [ "$VER" = "0" ]; then :; else