Simplified archive titles

The current archive titles are verbose and fusty. This commit
simplifies them to the bare minimum needed (and wanted by actual users)
for description, orientation, and navigation.
Merge pull request #246 from ianstewart/cleaner-archives

Simplified archive titles: The current archive titles are verbose and fusty. This commit simplifies them to the bare minimum needed (and wanted by users) for description, orientation, and navigation.