Deleted small-banner.jpg

Both the homepage and the children pages use the same banner image now, so
this image was unnecessary
Renamed example post using pagination

Homepage Pagination.xml -> Simple Pagination.xml
Changed in sitemap in commit 76c34fcf15a7614b13cb14a90be3ebe4ac25f571
Narrow scope of template styling to that portlet

Before, rules could apply to muliple portlets if the structure was reused,
but now they are restricted using mostly portlet ids and the id of the
portlet content