- Add a main entry point for the jasmine-core npm

- jasmine-core can now self test with the jasmine-npm
- Add node examples files
- Add node_boot.js for node environment
- Move jasmine-core npm packaging to .npmignore
- removing src_dir and src_files from jasmine.json b/c jasmine-npm does not support requiring source files automatically.

grunt/config/concat.js

@@ -39,6 +39,10 @@ module.exports = {
     src: ['lib/jasmine-core/boot/boot.js'],
     dest: 'lib/jasmine-core/boot.js'
   },
+  nodeBoot: {
+    src: ['lib/jasmine-core/boot/node_boot.js'],
+    dest: 'lib/jasmine-core/node_boot.js'
+  },
   console: {
     src: [
       'src/console/requireConsole.js',