added utils and docs/_static directories

docs/_static/.gitignore

+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore

utils/upload_image.sh

+# Upload the image to an openstack server
+unset http_proxy
+
+# The OpenStack rc file to be source to define the necessary OS_* env vars
+OS_RC_FILE=$1
+
+# The image file generated by packer
+IMAGE_FILE=$2
+
+IMAGE_NAME="$(basename -- ${IMAGE_FILE})"
+IMAGE_NAME=${IMAGE_NAME%.*}
+
+# The name of the project
+PROJECT=$3
+
+# The RAM allocated to this VM
+MEMORY=$4
+
+# The number of cpus allocated to this VM
+CPUS=$5
+
+# The size of the disk allocated to this VM
+DISK_SIZE=$6
+
+# Soure the OpenStack rc file
+source ${OS_RC_FILE}
+
+# Create the image
+openstack image create ${IMAGE_NAME} \
+                       --public \
+                       --project "${PROJECT}" \
+                       --min-ram ${MEMORY} \
+                       --min-disk ${DISK_SIZE} \
+                       --disk-format qcow2 \
+                       --file ${IMAGE_FILE}