Use a better API to define public routes

lib/cartodb/api/api-router.js

@@ -206,7 +206,7 @@ module.exports = class ApiRouter {
         apiRouter.use(syntaxError());
         apiRouter.use(errorMiddleware());
 
-        const paths = this.serverOptions.api_base_paths;
+        const paths = this.serverOptions.routes.api.paths;
 
         app.use(`(?:${paths.join('|')})`, apiRouter);
     }

lib/cartodb/api/map/map-router.js

@@ -129,7 +129,7 @@ module.exports = class MapRouter {
         this.previewTemplateController.register(mapRouter);
         this.analysesController.register(mapRouter);
 
-        const paths = this.serverOptions.map_base_paths;
+        const paths = this.serverOptions.routes.api.map.paths;
 
         apiRouter.use(`(?:${paths.join('|')})`, mapRouter);
     }

lib/cartodb/api/template/template-router.js

@@ -61,7 +61,7 @@ module.exports = class TemplateRouter {
         this.tileTemplateController.register(templateRouter);
         this.adminTemplateController.register(templateRouter);
 
-        const paths = this.serverOptions.template_base_paths;
+        const paths = this.serverOptions.routes.api.template.paths;
 
         apiRouter.use(`(?:${paths.join('|')})`, templateRouter);
     }

lib/cartodb/server_options.js

@@ -67,18 +67,24 @@ module.exports = {
     // FIXME: Remove it. This is no longer needed, paths are defined in routers
     base_url_templated: global.environment.base_url_templated || '(?:/maps/named|/tiles/template)',
 
-    api_base_paths: global.environment.api_base_paths || [
-        '/api/v1',
-        '/user/:user/api/v1'
-    ],
-
-    map_base_paths: global.environment.map_base_paths || [
-        '/map'
-    ],
-
-    template_base_paths: global.environment.template_base_paths || [
-        '/map/named'
-    ],
+    routes: global.environment.routes || {
+        api: {
+            paths: [
+                '/api/v1',
+                '/user/:user/api/v1'
+            ],
+            map: {
+                paths: [
+                    '/map'
+                ]
+            },
+            template: {
+                paths: [
+                    '/map/named'
+                ]
+            }
+        }
+    },
 
     grainstore: {
         map: {

test/acceptance/ported/support/ported_server_options.js

@@ -12,18 +12,24 @@ module.exports = _.extend({}, serverOptions, {
     // FIXME: Remove it. This is no longer needed, paths are defined in routers
     base_url_mapconfig: '/database/:dbname/layergroup',
 
-    api_base_paths: [
-        '/tiles',
-        '/database/:dbname'
-    ],
-
-    map_base_paths: [
-        '/layergroup'
-    ],
-
-    template_base_paths: [
-        '/template'
-    ],
+    routes: {
+        api: {
+            paths: [
+                '/tiles',
+                '/database/:dbname'
+            ],
+            map: {
+                paths: [
+                    '/layergroup'
+                ]
+            },
+            template: {
+                paths: [
+                    '/template'
+                ]
+            }
+        }
+    },
 
     grainstore: {
         datasource: {