Fixed git2.h not including threads.h anymore
Fix GCD typo
Merge pull request #2708 from phatblat/pr/threading-doc

Fix typo in THREADING.md
Merge pull request #2707 from swisspol/fix_include

Fixed git2.h not including threads.h anymore
Plug possible leak in the openssl locks
Merge branch 'openssl-lock-free'
branch: consider an empty upstream remote config as not found
Added git_stash_apply() and git_stash_pop() APIs