activePeers and routingTable out of sync

Add peer from activePeers to DHT routing table if not there to resync.

Refresh peers when receiving hello message

Changelog:
- When we receive a hello msg from a node then let's update the sidebar so we know we have new connected stores.

Fixed jslint issues.

I think this is some bullshit but ok :P

Transition to is not None

Reverse logic due to idiocy
remove redundant ioloop.install() calls

pep8 fixes
cleaning unused imports breaking tests

fix blocking code upon thread instantiation

bringing back non simple self explanatory syntax that will only confuse people ;), '_' is evil, I'm telling you.
Merge pull request #731 from gubatron/io-loop-install-cleanup

Io loop install cleanup
Stop using Twisted Reactor which is the main event loop of Twisted
Do not print private key to console
Merge pull request #737 from yagoulas/drop-reactor

Drop reactor
Drop all references to twisted.
Drop Twisted from requirements.
Upgrade tornado to version 4.0.2.
Remove logging of settings
Merge pull request #751 from dionyziz/hide_private_key

Do not print private key to console
Merge pull request #753 from Renelvon/bump_tornado

Upgrade tornado to version 4.0.2.
Merge pull request #752 from Renelvon/drop_twisted

Drop twisted from requirements
Unused parameter removed

The transport param is unused and is causing order of params ValueError.

Remove unused param from call

Remove transport param from iterativeStore
Merge pull request #754 from hoffmabc/bugfix-unusedtransportparam

Bugfix: Unused parameter removed
KBucket.getContact expects guid, not contact object.
Searches for contact among existing contacts always failed in KBucket.getContact when called from OptimizedTreeRoutingTable.addContact.
[WIP] removing pysqlcipher sources from the repo.

Travis builds are taking too long due to double installations of pysqlcipher,
the second installation which runs from pip seems to be doing fine now, if there
are any issues left in pysqlcipher we'll fix them upstream as suggested by @dionyziz
Merge pull request #755 from gubatron/bye-bye-pysqlcipher-sources

removing pysqlcipher sources from the repo.
Merge pull request #745 from freamon/bugfixes

Fix for DB writes
Remove pysqlcipher installation from Docker.