Tweaked small visual elements

Signed-off-by: Pedro Couto e Santos <psantos@co.sapo.pt>
Tweaked the .box class to have a 1 em top margin, instead of 1.5.

Signed-off-by: Pedro Couto e Santos <psantos@co.sapo.pt>
Fixed minor issues in the javascript implementation (setContentMarkup)
Added two new options, onYearSelected and onMonthSelected to allow callback definition on it
Fixed minor issue
Fixed minor issue
Fixed issue with the pagination component. Wasn't generating the markup when missing the ul.pagination
Added a public method showMonth() that is an alias of the _showMonth() method
Updates sticky-footer.png
Fixes typo in the splash screen placeholder hrefs.
Fixed typos in article-page.html
Merge branch 'v2' of github.com:sapo/Ink into v2