[bugfixing] [fixed disabled audio (wrong linking)]
ref #1068 [updated automaker system. preparing new alpha4]
[untracked] refined statistics output
[bugfixes] fixed handling timeouts in standby mode

- standby mode - when consumer is awaiting initial data to come in
response to the rightmost interest
[bugfixes] flush interest queue upon rebuffering
[bugfixes] interest lifetime for key interests
[untracked] added logs & check for RTT estimation

- now RTT estimation updates for every slot which has not been timed
out before; this allows for more accurate estimation measurements.