Update DHT bootstrap list
Fix Make Tox Portable impossible to disable
Option to use custom list of bootstrap nodes

False by default, to allow for auto-updates and fix problems with people who can't connect to the DHT due to the old list not being updated and not working
Italian translation: update
Merge pull request #259 from Ansa89/italian-translation

Italian translation: update
Merge pull request #262 from apprb/dev

ChatForm unification