Replace NodeConfiguration with RepositoryNodeConfiguration
Better error message

Closes #526
Add repoPath and repoID as parameters to versioner factory (fixes #531)
All printed warnings should have some context
Merge pull request #532 from AudriusButkevicius/config

Replace NodeConfiguration with RepositoryNodeConfiguration (Fixes #522)
beacon.Beacon -> beacon.Broadcast
Implement IPv6 multicast again (fixes #346)
Fix some typos
Merge pull request #537 from marclaporte/patch-2

Fix some typos
build.sh -> build.go for better cross platform support
ARM builds in build.go
Don't build build.go on go get
build.sh is a shim
Emit Node/Repo Rejected events on unknown nodes / repos.
Don't consider empty language codes when selecting language (fixes #540)
Note about review of pull requests
rm -rf travis
Check for supported go version build.go
Do honest test coverage analysis in Jenkins
README links to build, not only artefacts