Releases for Password reset

Primary new feature is the option to disable the e-mail field.

D7 dev version

#223375: "Warn user when security question does not have an answer"
#597372: "Allow to set a minimum answer length" - adapted from patch by emteedee.
#597216: "Module leaks information about existence of user". Patch by Emteedee and Sanduhrs cleaned up and adapted.
strtolower() to drupal_strtolower()
Fix t()s in .install.
Remove answer initialization for old users upon install.
Add flood control feature.
Add redirect user feature.

This update required update.php to be run.

D6 port. Ready for testing.

Development release.