ZF-2983: Evaluate and document ZF overall performance

Description

This is the master bug that will attach all performance related issues.

Comments

Linking performance issues.

Whether this can be released in a mini or minor version depends on whether it results in full backwards compatibility or not. Some improvements may be released in the next mini release, while others may have to wait until the next minor release.

Stas will help with this effort.

Changing to comply with new IT coventions for components.

Matthew, can you close these out as per your performance testing results?