fixes #8116 - correcting prior env description in apidoc, BZ 1130258
fixes #7885 - adding counts to lifecycle environments

as part of this i centralized the errata counts template
Merge pull request #4762 from jlsherrill/7885

fixes #7885 - adding counts to lifecycle environments
Merge pull request #4768 from komidore64/rmi8116-apidoc-lc-env-prior-id

fixes #8116 - correcting prior env description in apidoc, BZ 1130258