Add API getBuildCommands and getTriggerCommands

API: getBuildCommands
ARGUMENTS: branch, buildername, revision
RETURN: Command (string) that can be executed
    The command will be a string that can be run on the terminal

API: getTriggerCommands
ARGUMENTS: branch, buildername, revision
RETURN: Command (string) that can be executed
    The command will be a string that can be run on the terminal