* Import RocksDB encryption support
* Adding enterprise hooks
* Allocate scratch space in BlockCipher, used for all subsequent calls to EncryptBlock
* Adding more enterprise hooks
* Added encryption test script
* Added (commented) entry for encryption-keyfile
* Use correct env
* Updated ARANGODB value
* Log startup at debug level
* Removed TTY flag
* Fixed build
* Added prefix block support with unique initial counter & IV for CTR implementation
Ewout Prangsma