Feature the host name in metrics reports
Add pdf support modules to libraries
Remove superfluous tcpdf instructions
Add basic tests to Album controller actions
Write test for creating a new album with components
Remove conditional checks for li3_pdf

The li3_pdf library is now included in all installes by default.
Start removing references to the  album->title field
Replace work artists method with Artwork helper function
Escape artist names in helper
Link artist name to a search page