*.postcommand add-in prints in PROMPT

[pendashteh]

Using postcommand add-in will result with information being printed after every command in Terminal.

[pendashteh]

The issue is resolved. However, the current output was to report the enabled add-ins. With silencing it user may not now about the add-ins that are active and affect every commend they run.

We need another method to report to user about this.

There are two options:

1. Report at the beginning of the shell.
2. Introduce flags to turn that on or off. Like potato add-ins reporting off