Conky

This patch adds the ability to display the contents of hwmon files located
under
/sys/class/hwmon/hwmonX/device/
(with X some number, most likely X=0)

The syntax is ${hwmon X sensor no info}, which will just read from
/sys/class/hwmon/hwmonX/device/sensorno_info
For example, I personally use ${hwmon 0 temp 1 input} to read the
temperature of my CPU (in °C) from
/sys/class/hwmon/hwmon0/device/temp1_input
If the sensor name equals "temp", then the value read will be divided by
1000, otherwise the number will be used unchanged.
I got the factor 1000 just for my Abit uGuru sensor. I was not able to read
any of the values with any of the already present variables like
${acpitemp}; I did not have the possibility to check other boards/chips.

The patch modifies conky.h, conky.cpp and linux.c in src/. It has been
compiled & tested under

gcc version 4.1.1 (Gentoo 4.1.1-r1)
2.6.18-gentoo-r6 x86_64 AMD Athlon(tm) 64 Processor 3000+