Indefinite timeout bug in SNMP scanner
* src/modules/scanner/service_scan.py
  -- Added a timeout to the scanner
New service module and bugs
* src/modules/services/telnet.py
  src/modules/services/__init__.py
  -- Added a really basic telnet service.  Harvests
  a username/password and shuts the user off.
* src/core/module.py
  -- When logging to a file, color codes are now stripped
  -- A newline is appended to each logged line if one does not exist.
  This helps with the readability of logs.
  -- When creating a new logger for a module, log files are now
  chown'd as the executing user of zarp