Extend FlatArrayMessageReader to indicate where the message actually ended, in case it was not the end of the array.  Useful when reading an mmap'd file with a Cap'n Proto prefix.  Also fix a bug in Maybe dealing with DisallowConstCopy subclasses.
Work around lack of __thread on iOS.  Based on patch from Jason Choy (@jjwchoy).
Update test configs
Blog post about 0.4.1.
Make it possible for a message builder to incorporate a byte array not owned by it without copying.  Useful for injecting large data blobs into a message without copying their contents.  Access this functionality through the Orphanage interface.
Extra test line I should have included.
Add AutoCloseFd::operator=
Apparently writev() imposes a limit on the vector size.  Work around that.  Not sure why libc doesn't already do this.
Fix 32-bit build.
Fix doc typos.
Add missing include for OSX.
Add CONTRIBUTORS file.
Add timer functionality to the async IO framework.
fix some error messages
Merge pull request #76 from dwrensha/readeroptions

fix some error messages
Tweak timer implementation:

- Define separate times for durations vs. absolute times.
- Make more consistent with existing precedents in KJ style.
Merge branch 'master' of github.com:kentonv/capnproto
Fix build on OSX and also GCC 4.7.
Fix Makefile.am.
When an RPC method name matches a C++ keyword, add an underscore to avoid compilation errors.