Add Ubuntu as a tested target

Author: wchen-r7

modules/exploits/multi/browser/adobe_flash_nellymoser_bof.rb

@@ -22,6 +22,7 @@ def initialize(info={})
         Windows 7 SP1 (32-bit), Firefox 38.0.5 and Adobe Flash 18.0.0.160,
         Windows 8.1, Firefox 38.0.5 and Adobe Flash 18.0.0.160, and
         Linux Mint "Rebecca" (32 bits), Firefox 33.0 and Adobe Flash 11.2.202.466.
+        Ubuntu 14.04.2 LTS, Firefox 35.01, and Adobe Flash 11.2.202.466.
       },
       'License'             => MSF_LICENSE,
       'Author'              =>