Merge pull request #1 from jbenet/master

merging
add test for DHT package #59
clarifying variables
tests for Daemon Listener #59
generating privKey, added shutdown function for ipfsnode
using IDfromPubKey
temporarily removing ipfsnode close function, saving for future core focused pr
Merge pull request #2 from jbenet/master

pull
Merge branch 'master' of github.com:llSourcell/go-ipfs