Build: Add a main field, prepublish, and move jquery dependency

Closes jquery#99

Author: wbinnssmith

.npmignore

@@ -0,0 +1,8 @@
+.project
+.settings
+*~
+*.diff
+*.patch
+/*.html
+.DS_Store
+node_modules

package.json

@@ -1,6 +1,7 @@
 {
 	"name": "jquery-migrate",
 	"title": "jQuery Migrate",
+	"main": "dist/jquery-migrate.js",
 	"description": "Migrate older jQuery code to jQuery 1.9+",
 	"version": "1.2.1",
 	"homepage": "https://github.com/jquery/jquery-migrate",
@@ -21,9 +22,6 @@
 			"url": "https://github.com/jquery/jquery-migrate/blob/1.2.1/LICENSE-MIT"
 		}
 	],
-	"dependencies": {
-		"jquery": ">=1.6.4"
-	},
 	"devDependencies": {
 		"grunt-git-authors": "~1.2.0",
 		"grunt-contrib-concat": "~0.1.2",
@@ -32,7 +30,11 @@
 		"grunt-contrib-jshint": "~0.2.0",
 		"grunt-contrib-uglify": "~0.1.2",
 		"grunt": "0.4.1",
+		"jquery": ">=1.6.4",
 		"testswarm": "0.2.2"
 	},
+	"scripts": {
+		"prepublish": "grunt"
+	},
 	"keywords": []
 }