Move blog upgrade into app script

src/freedombone-app-blog

 	fi
 	function_check set_repo_commit
 	set_repo_commit /var/www/$FULLBLOG_DOMAIN_NAME/htdocs "Blog commit" "$FULLBLOG_COMMIT" $FULLBLOG_REPO
+
+	# update blog avatar
+	${PROJECT_NAME}-blog
 }
 
 function backup_local_blog {

src/freedombone-upgrade

 	rm -f /etc/init.d/sipwitch
 fi
 
-# update blog avatar
-${PROJECT_NAME}-blog
-
 if [ -f /usr/bin/reset-tripwire ]; then
 	echo '