Merge unordered and hash from trunk.

- Only use Visual C++ pragma with appropriate compilers.
- Working link for Thomas Wang's hash function.
- Updated unordered rationale.
- Fix `unnecessary_copy_tests` for Visual C++ 12.
- Some extra insert tests.


[SVN r86728]

2 files changed, 0 insertions, 0 deletions

diff --git a/libs/functional b/libs/functional
-Subproject f5731a878fccbeeea712bc0caae97159ba84575
+Subproject 26af234c23f0eeea3474f10b3e89aff5a82bb89
diff --git a/libs/unordered b/libs/unordered
-Subproject 6ca8d5e0d99c628780c740ce3df37f98d18b3e7
+Subproject bea92e8842f65de6243ec4041d7337f7b339694