Google Search Shortcuts per Raj Piskala

This extension is still in progress.

Shortcuts:
- j - Move one search result up
- k - Move one search result down
- Enter - Navigates current tab to the link
- Shift+Enter - Opens a new window with the link
- Ctrl+Enter - Opens new tab in background for the highlighted link

Note 1: Shortcuts only work when you are not focused on the search bar.
Note 2: Currently only supports google.com, does not support google.co.in, co.uk, or any other subdomains.