procinfo-18-bp160.1.12

- Use %patch -P N instead of deprecated %patchN.

- Add patch procinfo-strsignal.dif to use strsignal(3) as replacement
  of (_)sys_siglist[]

- Modernize old variables. Drop author list from description.

- Enable parallel build and remove ancient specfile tags and sections

- Add the patches
  procinfo-man.dif to avoid bogus comments nroff code
  procinfo-maxdev.dif to increase the numbers og devices a lot (bsc#900125)
  procinfo-ranges.dif to check buffer boundaries
  procinfo-sysconf.dif to get the number of CPU's which are online
  procinfo-uptime.dif avoid variable overflow in case the system is idle
- Modify the patches
  procinfo-18.dif
  procinfo-float.dif
  procinfo-hz
  procinfo-ia64.diff
  procinfo-intr.dif
  procinfo-lsdev.dif

- cross-build fixes: use %__cc macro, move tests to %check section

- updated patches to apply with fuzz=0

- Don't be fooled by uncommon terminal settings during checks

- Add check to avoid bug like bnc#464081

- Do not be fooled by the newest gcc version string (bnc#464081)