* Zoom can be disabled completly

git-svn-id: https://plugins.svn.wordpress.org/wp-spreadplugin/trunk@951705 b8457f37-d9ea-0310-8a92-e5e31aec5664
changed text

git-svn-id: https://plugins.svn.wordpress.org/wp-spreadplugin/trunk@951706 b8457f37-d9ea-0310-8a92-e5e31aec5664