better ruby method argument format

modules/swagger-codegen/src/main/resources/ruby/api.mustache

@@ -16,7 +16,7 @@ class {{classname}}
 {{#allParams}}{{^optional}}{{newLine}}  # @param {{paramName}} {{description}}
 {{/optional}}{{/allParams}}{{#allParams}}{{#optional}}{{newLine}}  # @option opts [{{dataType}}] :{{baseName}} {{description}}
 {{/optional}}{{/allParams}}  # @return {{#returnType}}{{{returnType}}}{{/returnType}}{{^returnType}}void{{/returnType}}{{newLine}}
-  def self.{{nickname}} ({{#allParams}}{{paramName}}{{#defaultValue}} = {{{defaultValue}}}{{/defaultValue}},{{/allParams}} opts={})
+  def self.{{nickname}} ({{#allParams}}{{paramName}}{{#defaultValue}} = {{{defaultValue}}}{{/defaultValue}}, {{/allParams}}opts={})
     query_param_keys = [{{#queryParams}}:{{paramName}}{{#hasMore}},{{/hasMore}}{{/queryParams}}]
 
     {{#requiredParamCount}}

samples/client/petstore/ruby/lib/pet_api.rb

@@ -261,7 +261,7 @@ class PetApi
   # @param name Updated name of the pet
   # @param status Updated status of the pet
   # @return void
-  def self.updatePetWithForm (pet_id,name,status, opts={})
+  def self.updatePetWithForm (pet_id, name, status, opts={})
     query_param_keys = []
 
     
@@ -307,7 +307,7 @@ class PetApi
   # @param api_key 
   # @param pet_id Pet id to delete
   # @return void
-  def self.deletePet (api_key,pet_id, opts={})
+  def self.deletePet (api_key, pet_id, opts={})
     query_param_keys = []
 
     
@@ -351,7 +351,7 @@ class PetApi
   # @param additional_metadata Additional data to pass to server
   # @param file file to upload
   # @return void
-  def self.uploadFile (pet_id,additional_metadata,file, opts={})
+  def self.uploadFile (pet_id, additional_metadata, file, opts={})
     query_param_keys = []
 
     

samples/client/petstore/ruby/lib/store_api.rb

@@ -12,7 +12,7 @@ class StoreApi
   # Returns pet inventories by status
   # Returns a map of status codes to quantities
   # @return map[string,int]
-  def self.getInventory ( opts={})
+  def self.getInventory (opts={})
     query_param_keys = []
 
     

samples/client/petstore/ruby/lib/user_api.rb

@@ -194,7 +194,7 @@ class UserApi
   # @param username The user name for login
   # @param password The password for login in clear text
   # @return string
-  def self.loginUser (username,password, opts={})
+  def self.loginUser (username, password, opts={})
     query_param_keys = [:username,:password]
 
     
@@ -235,7 +235,7 @@ class UserApi
   # Logs out current logged in user session
   # 
   # @return void
-  def self.logoutUser ( opts={})
+  def self.logoutUser (opts={})
     query_param_keys = []
 
     
@@ -317,7 +317,7 @@ class UserApi
   # @param username name that need to be deleted
   # @param body Updated user object
   # @return void
-  def self.updateUser (username,body, opts={})
+  def self.updateUser (username, body, opts={})
     query_param_keys = []