- 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.

spec/support/jasmine-performance.json

@@ -0,0 +1,9 @@
+{
+  "spec_dir": "spec",
+  "spec_files": [
+    "performance/performance_test.js"
+  ],
+  "helper_files": [
+    "helpers/nodeDefineJasmineUnderTest.js"
+  ]
+}