- 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.json

@@ -0,0 +1,10 @@
+{
+  "spec_dir": "spec",
+  "spec_files": [
+    "core/**/*.js",
+    "console/**/*.js"
+  ],
+  "helpers": [
+    "helpers/nodeDefineJasmineUnderTest.js"
+  ]
+}