Add a Bitdeli badge to README
Merge pull request #1586 from bitdeli-chef/master

Add a Bitdeli Badge to README
Added Analytics
Improved distributed conflict management for issue #1598
Fixed issue on DOS server attack
network connections now check and in case wait is the node is online before to execute any command
Merge branch 'master' of https://github.com/orientechnologies/orientdb into develop