add /etc/default/libvirt-bin generation for debian system.

M

add default parameters for default libvirt-bin.

M

Move debian default initialization in template.

M
add stdlib fixture
make spec_helper_system more resiliant

fix spec:system run, by making spec_helper_system more resiliant towards
different variants of the dependency line.
Add a type to manage pools.
XML are generated using rexml and pass to virsh.
Update Readme.

M
Merge pull request #16 from msimonin/libvirt_pool_rexml

Add a type to manage storage pools.
Merge pull request #17 from igalic/fix-tests

Fix tests
Merge pull request #18 from luisfdez/feature/qemu-config

Initial configuration of qemu.conf
Merge pull request #15 from msimonin/debian_default

add /etc/default/libvirt-bin generation for debian system.
Cosmetic clean ups
Update ChangeLog
Added support for configuring Kerberos authentication