Update 1.4.4 release notes with last minute fix
Merge commit 'v1.4.4' into HEAD
increasing the tcp accept backlog due to it being unreasonably low
Release notes for 1.4.5 and release dates (#743)
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Added backtrace-in-coroutine support for OS X.
Merge branch 'next' into sam_165
Removed __MACH__ wrapper around rethinkdb_backtrace in thread_stack_pcs.hpp.
Include execinfo.h for linux backtrace.
Added comment about what part of _rethinkdb_thread_stack_pcs was changed for RethinkDB.
Merge branch 'sam_165' of github.com:rethinkdb/rethinkdb into sam_165
Made us call make_empty_protob_bearer in the HTTP protob server (the way we are supposed to).
Merge pull request #772 from randome/patch-1
Merge branch 'next' into sam_165
Merge branch 'next' into sam_no_aiosupport