Make thumbnail cache readable by all users.

This makes sharing a kphotoalbum database actually possible.
Space out items in statusbar more nicely.
Prevent thumbnail progress bar from showing idefinitely when no MPlayer is installed.
Prevent splash page text from being cropped.
Include build type in version string when not release.
Remove extra spaces
Merge remote-tracking branch 'astifter/master'

Merge small patches
Replace Nepomuk/ratingwidget with KRatingWidget from KDEUI

This removes an undeeded dependency on nepomuk

REVIEW: 114935
SVN_SILENT made messages (.desktop file)
Sort all by date

I've added a maintenance command to sort everything by date (so you
don't have to worry about stacks, locked images, or anything like
that).  Includes my previous sort patch.