First commit. Adding a README.
1. Initial Commit of testing page.
2. Initial HTML of version selector dialog + CSS
Initial commit of jQuery 1.9.1. The choice of frontend JS library.
1. Add jQuery 1.9.1 for frontend operation.
2. Initial comit of Version Selector HTML.
3. JS function for basic operations are added.
  - Positioning.
  - Status flow.
Fixed README.md