Update ruban.js

Allow user to go directly to first or last slide using `Home` or `End` key.
Add first and last functions

Allow user to go directly to first or last slide with `Home` or `End` key
Add first and last functions

Allow user to go directly to first or last slide with `Home` or `End` key
Add first and last functions

Allow user to go directly to first or last slide with `Home` or `End` key
Add the `title` option to display a title

Add the `title` option to display a title in every slides, in front of the pagination (or in place of it if not requested).
Add the `title` option to display a title

Add the `title` option to display a title in every slides, in front of the pagination (or in place of it if not requested).
Add the `title` option to display a title

Add the `title` option to display a title in every slides, in front of the pagination (or in place of it if not requested).
Update ruban.js
Update ruban.min.js
Update ruban.min.js
Merge pull request #8 from linsolas/master

Home and End keys handled to move directly to the first or last slide; ability to add a title of the presentation