Fixed issue with vlan on redhat provider

When interface is a vlan, the VLAN=yes stanza must stick to interface
configuration file and shouldn't be present on bridge ifcfg file either

RHBZ#1160418

Change-Id: If1c40927f7e1b26b2ae6a7eb33f6d76d41983fc3
Adds filtering for BONDING (LACP)

- Separated ifcfg file capture from cleaning filter
- Fixed REGEX when ifcfg file used as template

RHBZ#1165185

Change-Id: I26d53c832e651668b40a70010bb994e5d2ec10da
JSON was invalid

Created an warning/error message when applying Puppet

$ cat metadata.json | json_verify
lexical error: inside a string, '\' occurs before a character which it
may not.
                                        {   "name": "puppet-galera",
                     (right here) ------^