Log Message:
Updated net/mrtg to 2.14.7

* take over MAINTAINERship

* removed extra spaces from Makefile.in
* timestamps in log files to be YYYY-MM-DD HH:MM:SS
* fixed rateup to propely support kMG option
* fixed problem with conversioncode option throwing an exception.
* fixed config parsing problem for libadd lines terminated by a \
* added 'eval' debug target
* updated local $SIG{__DIE__} locations to work as intended
* fix ifspeed for foundry switches in cfgmaker
* Added expscale option (opposite of logscale) to emphasize the top end of
  the scale; this improves display of line voltages that don't change a whole
  lot
* added sample startup script for mrtg