start refactor from objet sockets to http

server interfaces and listener interfaces
complete refactor of node-master basic communication

worker now tries to find it's own ip
use correct method to get update status from node
protect from spaces in path
finish implementation of http dispatcher
remove old code using object sockets
refactor shutdown and crash to new pattern

graceful shutdown logic improved
fix not updating when multiple workers free

try to fix concurrency issues http request provoked
Merge branch 'master' of github.com:drfoliberg/LANcoder3000

closes #24