Add anchor for each title in the API documentation
Adjust the HTML to have one accordion per section rather than one per entry
Add an anchor for each entry of the accordions in the API documentation
Add the link icon used to show the anchors in the API documentation

Adjust the pkgdb2 documentation to acknowledge the author of the icon,
the awesome @mairin :)
Adjust the css a little to center the icon
Adjust the unit-test to account for the redirection if only 1 packager is found
Adjust the unit-test to account for the new HTML structure in the API documentation
Small formatting in the .rst of the documentation
Expand the unit-tests to cover the redirection if only one package is found matching