Replaced . symbol in hostname with - to avoid domain name interference with metric name hierarchy
Socket retry changes
Added a comment
Update README.md

Added socket retry specific definitions.
Fixed a bug where if socket connection fails then a new socket object needs to be created
Merge branch 'master' of https://github.com/abhishekjain88/GraphiteMetrics2
Fixed review comments
Added no retry logic in case there is a thread interrupt
Merge pull request #2 from abhishekjain88/master

Socket connection retry logic