Bridge functions (apparently) interfere with temboo

Send gmail from Yun the temboo is not required.

http://forum.arduino.cc/index.php?topic=187319.msg1414629#msg1414629

http://forum.arduino.cc/index.php?topic=195776.msg1445861#msg1445861

http://forum.arduino.cc/index.php?topic=202361.msg1491461#msg1491461