bootstrap-install: Added a check for the agent execution

Now the installer will check the result of the agent execution. In case of
error, the installer will collect agent and system information before
exiting. The collected data can be sent to the developers by the user.

Signed-off-by: Erik Alexandre Pucci <eap08@c3sl.ufpr.br>
Acked-by: Josiney de Souza <josineys@c3sl.ufpr.br>
Acked-by: Klismann Smoger Mottin <ksm09@inf.ufpr.br>