Normalize the syntax and output of db.rb
Remove double newlines
Normalize comments
Add a newline before the delete message
Handle connect_login return value properly

Some modules ignore connect_login's return value, which may result
an EOF if send_cmd() is used later on.  All the modules fixed are
the ones require auth according to the module description, or
CVE/vendor/OSVDB info.
Missed this one.
add osvdb ref 90627
fix typos
add osvdb ref 89105
add osvdb ref 89594
add osvdb ref 91841
Land #1961, @wvu-r7's normalization of command_dispatcher/db.rb
Land #1973, @wchen-r7's fix to handle ftp auth correctly
Land #1976 - OSVDB update
Land #1977 - OSVDB update
Land #1978 - OSVDB update
Land #1979 - OSVDB update