Merge pull request #1 from marc-portier/master

Some input from my side (test of polo discovery and listing ambitions in TODO)
Merge pull request #2 from marc-portier/master

Show Local Test to Self
Merge pull request #3 from marc-portier/master

Iets wat we 0.1 zouden kunnen noemen
Merge pull request #4 from marc-portier/master

pushing new messages straigh to next in /poll state
Shuffled stuff around, try to bring some structure & best practices
Updated readme
Testing; print number of services in dir
Dir logs the # of services each time one joins/leaves
Merging with karel's update introducoing lib/ test-mocha and dir
cleanup no longer needed dependency