Add keys pageup/pagedown
Merge pull request #3 from dlecan/master

Handle Page up / page down
Bower changed its default install directory to bower_components/.
Hammer has changed its path to hammer.min.js.
keymaster.min.js is no more available in the bower component.
Update jquery and highlightjs versions.
Update Font-Awesome to 4.0.3.
Update links for bower dependencies in the HTML example.
Copy bower dependencies into components/.
Merge branch 'master' into gh-pages
Remove the dependencies copied into components/ from .gitignore.
Bump version to 0.2.2.
Merge branch 'master' into gh-pages