dev.xxx property for development deploy type
__IP_ADDRESS__ replacement with ipselector(npm)
Merge pull request #3 from yomybaby/feature/dev_settings

new features: "dev.xxx" property name & local ip address placeholder
bug fix : error when p.value is not a string
Merge pull request #4 from yomybaby/feature/dev_settings

bug fix : error when p.value is not a string