Generate the Neutron LBaaS sample config files by using the oslo
generator. The files are generated with a .sample extension and
replace the static example configuration files.
Once the generation code is delivered, the static config files
will be removed.
Change-Id: Iae1e581ec2bea9c0ced700229effcc716d53fe4e
Related-blueprint: autogen-neutron-conf-file
Partial-bug: #1199963
Depends-On: I25507f3bc6e995580aa91a912c2cf4110757df15
10bff0e996