Autocomplete added

JavaScript
Feature: Modified the searching behavior. Now the user can see the results while typing. He does not have to press "Enter" key.
Feature: Close the panel on "Escape"
Improvement: Bundled all the event handlers in one function "bindEvents". Moved the event binding out of "launchSearch" function to avoid multiple event binding and to improve performance.

CSS
Improvement: Corrected the alignment of the close button.