First cut of moving tests from QUnit to Jasmine.

- Updated project to pull in Jasmine dependencies and run tests.
- Moved tests.js -> spec/sproxy_spec.js
  - Migrated tests to Jasmine
- Moved readme_samples.js -> spec/readme_samples.js
- Moved sproxy.js -> src/sproxy.js
- Deleted QUnit support files
Ported readme_samples.js to Jasmine.
Added a new test to sproxy_spec.js.
Updated README code samples.