Proof of burn improvements

* Proof-of-burn visible across markets
* Temporarily replace obelisk with blockchain query
pep8 fix
Display correct proof-of-burn amounts for remote markets
visual fixes
pep8
Merge branch 'master' into others_burn
Port 8888 should not be public
Do not automatically forward port 8888
Merge pull request #296 from dionyziz/others_burn

Proof of burn improvements
Merge pull request #302 from dionyziz/public_8888

Port 8888 should not be public
According to issue #302 http port should not be port mapped.
missed a sudo
added quick install to README
don't choke on possible error getting upnp connection type
Merge pull request #304 from SamPatt/master

added quick install to README
Adding missing zmq brew dependency, thanks weeeeeew
Fix incorrect logging that the Web App is started on the market ip
Added libzmq3 as debian dependency, made sure log folder is removed upon .deb uninstall for sucessfull uninstall process
added missing alien and libssl-dev dependencies needed when building .deb and .rpm installers.
added libssl-dev dependency to control file