Sandstorm build: use node and npm from Meteor dev bundle, and don't use sudo.

.sandstorm/build.sh

@@ -8,8 +8,14 @@ sudo chown vagrant:vagrant /home/vagrant -R
 cd /opt/app
 meteor npm install --production
 meteor build --directory /home/vagrant/
+
+# Use npm and node from the Meteor dev bundle to install the bundle's dependencies.
+TOOL_VERSION=$(meteor show --ejson $(<.meteor/release) | grep '^ *"tool":' |
+    sed -re 's/^.*"(meteor-tool@[^"]*)".*$/\1/g')
+TOOLDIR=$(echo $TOOL_VERSION | tr @ /)
+PATH=$HOME/.meteor/packages/$TOOLDIR/mt-os.linux.x86_64/dev_bundle/bin:$PATH
 cd /home/vagrant/bundle/programs/server
-sudo meteor npm install --production
+npm install --production
 
 # Copy our launcher script into the bundle so the grain can start up.
 mkdir -p /home/vagrant/bundle/opt/app/.sandstorm/

.sandstorm/setup.sh

@@ -8,7 +8,7 @@ apt-get install build-essential git -y
 cd /opt/
 
 NODE_ENV=production
-PACKAGE=meteor-spk-0.3.0
+PACKAGE=meteor-spk-0.3.1
 PACKAGE_FILENAME="$PACKAGE.tar.xz"
 CACHE_TARGET="/host-dot-sandstorm/caches/${PACKAGE_FILENAME}"