[#68391616] User sees error if vanity url is taken

Signed-off-by: Bebe Peng <bebepeng@gmail.com>
fixed table width in stats page

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>
[#68391618] Profanity is filtered out of vanity URL

Signed-off-by: Steven Magelowitz <steven.magelowitz@gmail.com>