Merge doc and example changes from trunk.
........
r58900 | chris_kohlhoff | 2010-01-11 23:22:33 +1100 (Mon, 11 Jan 2010) | 2 lines
Add HTTP Server 4 example.
........
r59103 | chris_kohlhoff | 2010-01-18 08:42:36 +1100 (Mon, 18 Jan 2010) | 2 lines
Add coroutine::is_complete() and support for "yield break;".
........
r59104 | chris_kohlhoff | 2010-01-18 08:48:17 +1100 (Mon, 18 Jan 2010) | 2 lines
Document ordering of handlers in strands. Fix error in streambuf snippet.
........
r59106 | chris_kohlhoff | 2010-01-18 09:21:21 +1100 (Mon, 18 Jan 2010) | 2 lines
Update revision history.
........