hide sys/time.h, sys/times.h, and sys/resource.h headers * bootstrap.conf: Use gnulib getrusage module. * liboctave/wrappers/time-wrappers.c, liboctave/wrappers/time-wrappers.h: New files. * liboctave/wrappers/module.mk: Update. * oct-time.cc, oct-time.h (cpu_time, resource_usage): New classes. Provide C++ interface to low-level cpu time and resource usage wrapper functions. * data.cc, getrusage.cc: Use new classes for cpu time and resource usage.

--- a/bootstrap.conf	Thu Jun 16 13:09:54 2016 -0400
+++ b/bootstrap.conf	Thu Jun 16 15:56:00 2016 -0400
@@ -52,6 +52,7 @@
   getcwd
   gethostname
   getopt-gnu
+  getrusage
   gettimeofday
   glob
   isatty