Changed default locking strategy to NO_LOCKING to avoid dead lock problems when MVRBTreeRIDSet s are involved
Fixed auto-reconnection in client
DB Pool: fixed timeout problems when a db was open in a pool and the server doesn't answer. Changed synchronized() to a r/w lock
Merge branch 'develop' of https://github.com/orientechnologies/orientdb into develop
Revert "DB Pool: fixed timeout problems when a db was open in a pool and the server doesn't answer. Changed synchronized() to a r/w lock"

This reverts commit 71d776ec8e861a8e13f53079dc56a1de1fbdf05f.
Revert "Revert "DB Pool: fixed timeout problems when a db was open in a pool and the server doesn't answer. Changed synchronized() to a r/w lock""

This reverts commit b6ebe1e60d02c20f7b3b472b071ff277e88524c6.
DB Pool: used a mutex to handle locking timeouts