Fixed a bunch of trivial style problems.
Used absolute include paths in incremental_lenses.hpp.
Smothered readdir_r cpplint style warning (rightfully).
Added URL to comment about readdir.
Made coro profiler use stdio, not streams.
Made the coro profiler not use streams.
Disabled a bad whitespace/newline warning (multiple commands on same line) more specifically.
Fixed compilation in gcc 4.9.0, in http_runner.cc instantiation.
Merge branch 'next' into sam_2826
Merge branch 'sam_2826' into next
Merge branch 'sam_2828' into next
Merge branch 'next' into sam_2821_cpu_sharding_factor
Added DEFAULT_CPU_SHARDING_FACTOR define.