restore the microbenchmarks that used the missing run -> wait [skip ci]

benchmarks/micro.sh

@@ -12,6 +12,7 @@ $PYTHON -mtimeit -r 6 -s'from gevent.coros import Semaphore; from gevent import
 
 $PYTHON -mtimeit -r 6 -s'from gevent import spawn; f = lambda : 5' 'spawn(f)'
 $PYTHON -mtimeit -r 6 -s'from gevent import spawn; f = lambda : 5' 'spawn(f).join()'
+$PYTHON -mtimeit -r 6 -s'from gevent import spawn, wait; from gevent.hub import xrange; f = lambda : 5' 'for _ in xrange(10000): spawn(f)' 'wait()'
 $PYTHON -mtimeit -r 6 -s'from gevent import spawn_raw; f = lambda : 5' 'spawn_raw(f)'
 
 $PYTHON -mtimeit -r 6 -s'from gevent import sleep; f = lambda : 5' 'sleep(0)'

benchmarks/micro_run_callback.sh

@@ -2,8 +2,8 @@
 set -e -x
 PYTHON=${PYTHON:=python}
 $PYTHON -mtimeit -r 6 -s'from gevent import get_hub; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'run_cb(f)'
-#$PYTHON -mtimeit -r 6 -s'from gevent import run,get_hub; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'run_cb(f)' 'run()'
+$PYTHON -mtimeit -r 6 -s'from gevent import wait,get_hub; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'run_cb(f)' 'wait()'
 $PYTHON -mtimeit -r 6 -s'from gevent import get_hub; from gevent.hub import xrange; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'for _ in xrange(100): run_cb(f)'
-#$PYTHON -mtimeit -r 6 -s'from gevent import get_hub; from gevent.hub import xrange; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'for _ in xrange(100): run_cb(f)' 'run()'
+$PYTHON -mtimeit -r 6 -s'from gevent import wait,get_hub; from gevent.hub import xrange; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'for _ in xrange(100): run_cb(f)' 'wait()'
 $PYTHON -mtimeit -r 6 -s'from gevent import get_hub; from gevent.hub import xrange; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'for _ in xrange(10000): run_cb(f)'
-#$PYTHON -mtimeit -r 6 -s'from gevent import get_hub; from gevent.hub import xrange; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'for _ in xrange(10000): run_cb(f)' 'run()'
+$PYTHON -mtimeit -r 6 -s'from gevent import wait,get_hub; from gevent.hub import xrange; run_cb = get_hub().loop.run_callback; f = lambda : 5' 'for _ in xrange(10000): run_cb(f)' 'wait()'