Updated .gitignore to add pool folder

Change-Id: I9ae31cc91ab8b1cd9a2e3bc7828e8ed93f8fd901
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/.gitignore b/.gitignore
index 889a1b7..28635bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,4 +56,5 @@
 deb_dist/
 dists/
 debian/osm-lightui.install
+pool/