Another batch of updates. Add xps as an option for evince. Also
bring in adwaita-icon-theme, evince needs it and will replace
the default gnome icon theme.


git-svn-id: svn://creme-brulee.marcuscom.com/ports/trunk@19966 df743ca5-7f9a-e211-a948-0013205c9059
Update yelp, yelp-xsl, yelp-tools to the last versions.


git-svn-id: svn://creme-brulee.marcuscom.com/ports/trunk@19967 df743ca5-7f9a-e211-a948-0013205c9059