Location of our Puppet modules has changed now that they are split
from system-config, update documentation accordingly.
Change-Id: I4d4adc5d41f50dd92fbd642ac30f95c327a416b2
Add page to our CI documenation about the elastic-recheck project
so people can find the full docs and configuration details.
Change-Id: I846d811e5b154c0e555d3458bc74920baf0be971