Remove protocols for jQuery and Select2 sources in gh-pages files –
as kindly suggested by @styfle and @adamjohnson:

 * https://github.com/t0m/select2-bootstrap-css/issues/43
 * https://github.com/fk/select2-bootstrap-css/pull/2
Switch remote example to GitHub Search API.
Snatched from https://github.com/ivaynberg/select2/commit/6661e3d74401d52f4cffffa4f738211a15570279 – thanks to @kevin-brown.
Merge pull request #44 from fk/bootstrap3

Switch gh-pages to protocol-less URLs, remote examples to GitHub Search.