Add default jshint grunt task. Remove promise from mapper

src/courier/mapper.js

@@ -8,14 +8,16 @@ define(function (require) {
    */
   function Mapper(index, type) {
     this.indices = function () {
-      return new Promise(function (resolve, reject) {
 
-      });
     };
 
     this.getFields = function () {
 
     };
+
+    this.getFieldType = function (field, type) {
+      return field, type;
+    };
   }
 
   return Mapper;

tasks/config/jshint.js

@@ -0,0 +1,19 @@
+module.exports = function(config) {
+  return {
+    // just lint the source dir
+    source: {
+      files: {
+        src: ['Gruntfile.js', '<%= root %>/src/**/*.js']
+      }
+    },
+    options: {
+      jshintrc: '<%= root %>/.jshintrc',
+      ignores: [
+        'node_modules/*',
+        'dist/*',
+        'sample/*',
+        '<%= root %>/src/bower_components/**/*'
+      ]
+    }
+  };
+};

tasks/default.js

@@ -0,0 +1,4 @@
+// Lint and build CSS
+module.exports = function(grunt) {
+  grunt.registerTask('default', ['jshint:source']);
+};