Fix #26

M
Merge pull request #27 from msimonin/fix26

Fix #26
add possibility to set the user/group of the quemu process
bugfix: default is a keyword, renamed to deb_default for debian
use tabstop=2
change default to deb_default
typo in parameter
Merge pull request #28 from darktim/master

Bugfix for debian defaults and addition of qemu_user and qemu_group
Update ChangeLog
Add support for RHEL7
Fix for the Debian fix, it broke other distributions
Release 0.3.2
Add version to the puppetlabs/stdlib dependency
converting libvirt::network to a type, step 1

this skeleton is missing all the actual code for creating the XML, since
that's tough business, especially when we're not 100% sure what the
interfaces should look like ;)
Do not include REXML in global scope, yo.

following @Xylakant's advise, as per #32, we remove include REXML so as
to not pollute the global scope.