made broker executable
Merge branch 'master' of https://github.com/gonvaled/ep2014_zeromq
made broker executable
client executable
Merge branch 'master' of https://github.com/gonvaled/ep2014_zeromq
Merge branch 'master' of https://github.com/gonvaled/ep2014_zeromq
Merge pull request #5 from dbrandt/master

Made broker and client executable from the shell.