Cleanup mandatoryParam variable in mustache and Codegen, replaced using

-last

modules/swagger-codegen/src/main/java/io/swagger/codegen/CodegenModel.java

@@ -17,9 +17,6 @@ public class CodegenModel {
     // list of all required parameters
     public Set<String> mandatory = new HashSet<String>();
     
-    // TODO: temporary solution to get a delimited list of default constructor parameters, should be replaced if there is a better way of injecting the mandatory parameters into the mustache templates
-    public String mandatoryParams;
-    
     public Set<String> imports = new HashSet<String>();
     public Boolean hasVars, emptyVars, hasMoreModels, hasEnums;
     public ExternalDocs externalDocs;

modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java

@@ -1883,8 +1883,7 @@ public class DefaultCodegen {
             }
             
             m.mandatory = mandatory;
-            m.mandatoryParams = StringUtils.join(mandatory, ", ");
-
+            
         } else {
             m.emptyVars = true;
             m.hasVars = false;

modules/swagger-codegen/src/main/resources/Javascript/model.mustache

@@ -4,7 +4,7 @@
 {{#description}}/**
  * {{description}}
  **/{{/description}}
-function {{classname}}({{mandatoryParams}}) { {{#parent}}/* extends {{{parent}}}*/{{/parent}}
+function {{classname}}({{#mandatory}}{{this}}{{^-last}}, {{/-last}}{{/mandatory}}) { {{#parent}}/* extends {{{parent}}}*/{{/parent}}
   	var self = this;
   	{{#vars}}
   	/**{{#description}}