Fix the 'no kickstart' problem caused by safe mode

Whitelist methods referenced by dynamic params to prevent safe mode "Jail"
failures
Merge pull request #183 from sseago/safe-mode-whitelist

Fix the 'no kickstart' problem caused by safe mode
BZ 1117019: remove external VLAN UI for neutron
default networking should be Neutron
Merge pull request #186 from sseago/neutron-as-default

default networking should be Neutron
Merge pull request #185 from sseago/bz1117019

BZ 1117019: remove external VLAN UI for neutron
bump v0.1.8
Merge pull request #187 from sseago/0.1.8-bump

bump v0.1.8
Do not try to typecast values with ERB

not all JSON backends will accept Strings with ERB while dumping