Allow proxy setup in backup.conf

Signed-off-by: Thiago Rondon <thiago.rondon@gmail.com>
Allow proxy without username and password

Signed-off-by: Thiago Rondon <thiago.rondon@gmail.com>
add script for uninstall app in mac

Signed-off-by: Thiago Rondon <thiago.rondon@gmail.com>