Views concept, http.uri.(path,key,value) searches

- New views concept (issue #146), created in settings tab
- settings tab improvements
- Ability to search for http.uri.path, http.uri.key,http.uri.value
  for uri path, query string key, and query string value (parseQSValue
  must be set to true)
- --dryrun doesn't use ES for anything now
- New session hash algorithm
- Token checking function now shared
- easybutton node 0.10.21