bench: Arrays
bench: Add function_call to bench-misc
bench: Move process_loop to misc/spawn-echo
bench: Move nexttick-2 to misc/next-tick-depth

x
bench: move next-tick to misc/next-tick-breadth
bench: Move timers to misc/timers
bench: Remove settimeout (Covered by misc/timeout.js)
bench: Move string_creation into misc
bench: Move v8_bench into misc
bench: Move fs-readfile.js to fs/readfile.js
bench: Add read-stream throughput bench
bench: Remove io.js

Better covered by the other benchmark/fs scripts.
bench: Make io.c output easier to read
bench: Move tls-connect into benchmark/tls

Also, make it work properly with current node.
bench: Replace tls-fragmentation with tls/throughput
bench: Remove old run script
make: Add benchmark make targets