Cleaned up and refactored demos
Use ConcurrentHashMap in place of HashMap
didn't work with fish shell, does now
Update Scala version and dependencies
Replace fixedThreadPool with custom ThreadPoolExecutor instance
Update README
Remove contextPath override (unnecessary)
Merge branch 'demo-refresh'
Merge branch 'master' of github.com:sanity/Swarm
Make RefMap thread safe
Merge branch 'concurrent-store'