Merge pull request #673 from nsendetzky/master

Simplifies and speeds up search attribute creation, adds missing documentation for sub-managers
Merge pull request #674 from nsendetzky/master

Reduces the required startup processing time in the catalog index managers
Merge pull request #675 from nsendetzky/master

Improves backward compatibility for existing address, list and type managers
Merge pull request #676 from nsendetzky/master

Improves compatibility of cache hash for last seen items
Merge pull request #677 from nsendetzky/master

Uses global factories to avoid instantiating managers and controllers more than once
Merge pull request #678 from nsendetzky/master

Adds social buttons to catalog detail view