Javascript lib: UX: When whiteOutReportSuccess() is called on a whiteout over a miniPrompt, the miniPrompt and whiteout are now flown out together. Also, a bit of improvement to message box DOM object destruction code; this fixes problems with message boxes appearing below the shade when ajax auth is done 3 or more times in one page load.

# Used for testing mod_rewrite.
<IfModule mod_rewrite.c>
RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule (.*) install.php?do=modrewrite_test&str=$1
</IfModule>