resolves #2986 - fix options on the rest server cmd line (#2989)

Signed-off-by: Matthew B White <[email protected]>

Author: mbwhite

packages/generator-hyperledger-composer/generators/angular/templates/package.json

@@ -8,7 +8,7 @@
   "scripts": {
     "ng": "ng",
 <% if(apiServer == 'generate'){ %>
-    "app": "composer-rest-server --card <%= cardName %> -N <%= apiNamespace %> -P <%= apiPort %>",
+    "app": "composer-rest-server --card <%= cardName %> -n <%= apiNamespace %> -p <%= apiPort %>",
     "start": "concurrently \"ng serve --host 0.0.0.0\" \"npm run app\"",
 <% }else{ %>
     "start": "ng serve",