Merge pull request #8 from asaenz/config_xml_changes

New behavior to edit some existing config.xml rather than generating from scratch
Changes in importsystemconfiguration for new hardware bios settings.
Merge pull request #9 from asaenz/bios_settings_changes

Changes in importsystemconfiguration for new hardware bios settings.
Fixes that were causing issues in import config.xml
Merge pull request #10 from asaenz/import_config_fixes

Fixes that were causing issues in export config.xml
Maps network configuration to config.xml in case of BFS