- 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.yml

@@ -16,7 +16,8 @@ src_files:
   - '**/*.js'
 stylesheets:
 helpers:
-  - 'helpers/**/*.js'
+  - 'helpers/BrowserFlags.js'
+  - 'helpers/defineJasmineUnderTest.js'
 spec_files:
   - '**/*[Ss]pec.js'
 spec_dir: spec