Stopping all processes before starting node.
Checking crypti node is installed before certain tasks.
Adding log messages when checking dependencies.
Adding '=>' to each task result log message.
Always display these log message(s).
Changing log message(s) to one of info, warn or error.
Colorizng node info in green for easier visibility.
Refactoring code.

- Adding on_each_server and each_server methods to CryptiKit.
Adding more log messages for extra clarity.
Removing blockchain.db.zip after decompression.