EXP: allow packet sizes greater than 1500B

For experiments that test packet sizes of greater than 1500 bytes,
the MTUs of the devices (eth0 for every container, bridge to every
container, and veth for every container) are changed to the packet
size to be tested.

This information is printed to the experiment log.
EXP: Fix some bugs and update to Raring

The scripts now run under Ubuntu 13.04 (Raring Ringtail) containers.
Additionally, there were some changes to the shared library files
that lxc uses, so those have been updated.

There were also some changes made to fix some bugs that occur when
run with Raring.
EXP: move IP options and clean up code
Update experiment scripts for Saucy
Added output of rk and pw
Temporary changes