Extends fallback values for register_site command

[yuriyz]

{
"op_host": "https://ce-dev.gluu.org",
"redirect_uris" : [ "https://www.myapplication.com/welcome" ],
"logout_redirect_uri" : "https://www.myapplication.com/logout",
"scope" : [ "openid", "profile"],
"acr_values" : [ "basic", "duo","u2f","gplus", "oxpush2" ]
}
[19:24:26] Gluu - Michael Schwartz: here's what I think the minimum config I'd need
[19:24:29] Gluu - Michael Schwartz: 1) where is oxd...
[19:24:40] Gluu - Michael Schwartz: 2) what are my clients login / logout URIs
[19:24:43] Gluu - Michael Schwartz: 3) scopes requested
[19:24:47] Gluu - Michael Schwartz: 4) acrs...

[nynymike]

even acrs is optional... no acr is ok.

[nynymike]

oxd-default-site-config.json can contain default values.

[yuriyz]

reopened issue. Need to add op_host to oxd-defalut-site-config.json as well as other parameters. Also lets remove parameters that can confuse or lead to misunderstanding (like application_type which is always web for oxd.)

[yuriyz]

op_host is added as well as other parameters.