Update OpenCL 2.2 specs for 2.2-10 maintenance release (#60)

* Update OpenCL 2.2 specs with 2.2-10 maintenance release output.  Remove 2.2 specs from specs/, because server redirects into 2.2/ mask them.

* Update spec release dates on index page
21 files changed
tree: a00252b0a13700f71c329c786375a40c6b7d7bf1
  1. CODE_OF_CONDUCT.md
  2. README.adoc
  3. api/
  4. extensions/
  5. index.php
  6. sdk/
  7. specs/
  8. xml/