Merge from trunk
* Much more tests
* Now numeric_cast (and lexical_cast) can be compiled with disabled exceptions
* Supress warning described in #6645 (implicit conversion shortens 64-bit value into a 32-bit value)
* Fixed compilation of lexical_cast with BOOST_NO_STD_LOCALE defined
* Documentation updates
* Case insensitive "NaN" and "Inf" parsing 
* Performance tests commit

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77288 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merge [77315] to release. Closes #5331.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77317 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merge [77316] to release. Closes #6667.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77318 b8fc166d-592f-0410-95f2-cb63ce0dd405
Iostreams: Merge from trunk.

- [74728] Eliminate unit_test_framework and BOOST_MESSAGE.
- [76301] Fixes #5908.
- [76941] Fix typos in comments. Fixes #6530.
- [76973] Remove extra semi-colons, which break with trunk Boost.Test.
- [77174] Fix parameters for filter::close. Fixes #6650.


git-svn-id: http://svn.boost.org/svn/boost/branches/release@77368 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merge 1.50 initialization to release.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77374 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge [77320] from trunk

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77411 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge [77412] from trunk, fixes #6702

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77413 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge [77419] from trunk

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77420 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge [77446] from trunk

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77447 b8fc166d-592f-0410-95f2-cb63ce0dd405
Quickbook: Partial merge from trunk.

- Fixes to 1.6 lists, involving blocks in lists.
- Use anchors for links in documentation, and explicit section ids. Will make
  it easier to edits docs in future.
- Fix filesystem includes.


git-svn-id: http://svn.boost.org/svn/boost/branches/release@77569 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged trunk to release

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77575 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merged trunk to release

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77576 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merge trunk to release

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77577 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge  [77417],[77437],[77422],[77587] from trunk

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77589 b8fc166d-592f-0410-95f2-cb63ce0dd405
merge [77416] from trunk, fixes #6131, fixes #6455

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77591 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merging minor tested bugfixes from trunk.

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77592 b8fc166d-592f-0410-95f2-cb63ce0dd405
Merge from trunk r77627 (merged lexical_cast optimizations for iterator_range<>, fixed performance regression, docs updated)

git-svn-id: http://svn.boost.org/svn/boost/branches/release@77628 b8fc166d-592f-0410-95f2-cb63ce0dd405