Remove DHCP leases before packaging
Use lxc-create for building wheezy base boxes as it seems that the downloaded container is having some trouble with apt repositories
CentOS scripts
Update centos packages before installing new ones
Mention CentOS 6 on readme
Remove extraneous install argument from yum

Yum has an extra "install" in the command line in "install-extras.sh". It is intepreted as a package name, but luckily just ignored.
Merge pull request #20 from tuminoid/patch-1

Remove extraneous install argument from yum