Minor changes to sniffer
* modules/sniffer/sniffer.py
  -- Added the run() function to wrap the thread init and variable.
* modules/sniffer/database_sniffer.py
  modules/sniffer/http_sniffer.py
  modules/sniffer/password_sniffer.py
  modules/sniffer/traffic_sniffer.py
  -- Replaced inits with run()
* modules/dos/tcp_syn.py
  -- fixed run response
Flags update
* modules/parse_cmd.py
  -- Updated flags for new module names
Few more cli fixes
* modules/parse_cmd.py
  -- Fixed the remaining command line options that weren't working.
Formatting
* modules/dos/dos.py
  -- added a get_ip helper
* modules/util.py
  -- Replaced the lame formatter I had with a columnizer.  Formats
     a little different, but automatically and nicer.
New module, small aesthetic code changes
* modules/dos/nud.py
  -- New IPv6 DoS abusing the neighbor discovery protocol
* modules/dos/dos.py
  -- added the session viewer method
* modules/dos/dhcp_starvation.py
  -- formatting
* modules/dos/ndp_dos.py
  -- More explicit name
* modules/services/service.py
  -- formatting
* modules/stream.py
  -- DoS modules can now be stored as sessions
Scapy bug fix
* modules/parse_cmd.py
  -- properly catch bad filters
* scapy/arch/linux.py
  -- Bug in version 2.0.2 of scapy with a missing import.
     Fixed in the community repo, but nowhere official.
Merge branch 'dev'