Fetches the first working DHT node directly 

No longer depends on the php script for getting the node details
library for parsing html page
library for parsing html
Created common DB for the whole App
Merge pull request #90 from martinhath/master

AS updated to 0.5.0
Merge pull request #89 from strider29/master

Fetch the dht nodes directly from the app
Broadcast online friends back to MainActivity
AS updated to 0.5.1
Merge pull request #92 from Ansa89/patch-1

AS updated to 0.5.1
saving the friend request and showing in the list
merged ToxService
Merge pull request #93 from aagam-shah/savefriend

Saving the friends to DB
Remove unused methods and close DB after use
Update README.md
merge with upstream