Comment no more existing functions.
fix #10008.
Add variadic wait_for_all() and wait_for_any() functions
Merge pull request #10 from kylelutz/variadic-wait-for

Variadic wait functions
Merge branch 'develop' of github.com:boostorg/thread into develop
Fix typo.
Throw if malloc fails.
remove unused param warning.
remove dependency on MPL.
remove dependency on Optional.
Removed incomplete file.
Merge branch 'develop'