Releasing Version 1.6.6
- Delete all birthdays button
- Increased protection of settings form
- Minor fix in importing procedure,
trying to find out the locale problem with fgetcsv function.

git-svn-id: https://plugins.svn.wordpress.org/birthdays-widget/trunk@1042819 b8457f37-d9ea-0310-8a92-e5e31aec5664