Upgrade to Boost 1.54.0
Patch boost::thread so that oxt::thread can use it
Make boost::thread_interrupted derive from oxt::tracable_exception.
Use inttypes.h instead of the missing stdint.h on Solaris 9. Note: the __SOLARIS9__ macro is set by platform_info.rb.
Fix compilation problems on NetBSD. Patch by yui.naruse. Fixes issue #100.
Add overloads for boost::make_shared() with more parameters.