Tweak to gulp all command

First run gulp in pillar and other dependencies, then run gulp in the
current repo.

gulp

@@ -15,9 +15,8 @@ if [ "$1" == "watch" ]; then
     # Treat "gulp watch" as "gulp && gulp watch"
     $GULP
 elif [ "$1" == "all" ]; then
+    pushd .
     # This is useful when building the Blender Cloud project for the first time.
-    # Run "gulp" once inside the repo
-    $GULP
     # Run ./gulp in all depending projects (pillar, attract, flamenco, pillar-svnman)
     declare -a repos=("pillar" "attract" "flamenco" "pillar-svnman")
     for r in "${repos[@]}"
@@ -25,6 +24,9 @@ elif [ "$1" == "all" ]; then
         cd ../$r
         ./gulp
     done
+    popd
+    # Run "gulp" once inside the repo
+    $GULP
     exit 1
 fi