Display record identifier and name

I have added code to display the identifier and name of a selected
metadata record in order to identify it better.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>
Update controller instance variable from parameter

I forgot to update the instance variables if a certain record parameter
is set. This is now done by using the same reflection methods.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>
Set default metric

If no metric is set through the parameter, the Completeness metric is
set by default.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>
Add data parameter to anchor tag for record search

In order to identify for which record a search was triggered I am using
a data attribute as is recommended for HTML5.

Signed-off-by: Konrad Reiche <konrad.reiche@gmail.com>