70_Pushover: allow \n to enforce newlines in message text and \\n to keep it as \n

[System]

70_Pushover: allow \n to enforce newlines in message text and \\n to keep it as \n

70_Pushover: allow \n to enforce newlines in message text and \n to keep it as \nView Changes

Source: 70_Pushover: allow \n to enforce newlines in message text and \\n to keep it as \n