Add allowemailregister option

lib/config.js

@@ -132,6 +132,7 @@ if (process.env.HMD_LDAP_PROVIDERNAME) {
 }
 var imgur = process.env.HMD_IMGUR_CLIENTID || config.imgur || false;
 var email = process.env.HMD_EMAIL ? (process.env.HMD_EMAIL === 'true') : !!config.email;
+var allowemailregister = process.env.HMD_ALLOW_EMAIL_REGISTER ? (process.env.HMD_HMD_ALLOW_EMAIL_REGISTER === 'true') : !!config.allowemailregister;
 
 function getserverurl() {
     var url = '';
@@ -194,6 +195,7 @@ module.exports = {
     ldap: ldap,
     imgur: imgur,
     email: email,
+    allowemailregister: allowemailregister,
     imageUploadType: imageUploadType,
     s3: s3,
     s3bucket: s3bucket

lib/response.js

@@ -68,6 +68,7 @@ function showIndex(req, res, next) {
         google: config.google,
         ldap: config.ldap,
         email: config.email,
+        allowemailregister: config.allowemailregister,
         signin: req.isAuthenticated(),
         infoMessage: req.flash('info'),
         errorMessage: req.flash('error')