Merge pull request #54 from bashbaug/opencl22_spec_dates

update spec dates for OpenCL 2.2 specs, rev 8
tree: befec9f69470f4e8b9a11b552a8d0ac9d37e34ac
  1. api/
  2. extensions/
  3. sdk/
  4. specs/
  5. xml/
  6. CODE_OF_CONDUCT.md
  7. index.php
  8. README.adoc