Revert "Fix version number for nightly scripts."

This reverts commit bf83d80c11cabff24930628b9203a767fe0772b9.
Revert "Fix sbt nightlies for name hashing."

This reverts commit ac3a1212951bde786050c4067ec7456b7cc77d32.
Added warnings to PR validation files.
Revert old pr-validation builds.  Create new build for integrating the IDE and SBT on name hashing/0.13.2-M1.