LUCIDDB:  add mailing list link to navbar
LUCIDDB:  add mailing list link to navbar

[git-p4: depot-paths = "//open/lu/dev/": change = 9200]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb