To install Piecemaker place the unzipped module in the sites/all/modules directory

Next download to the Drupal piecemaker package from github.com at:

https://github.com/arcaneadam/Piecemaker-Drupal

Make sure to select the Branch version that matches the module version.
For example:

Module  ->  Package
-------------------
7.x-1.1 ->  7.x-1.x
-------------------
7.x-2.1 ->  7.x-2.x