libhook: fixes and printing enhancements
libhook: fixes and printing enhancements

- --print WHAT added
- use -I INCLUDE_DIRs in building (--build)
- enable printing getrusage() fields

mixu-/fMBT,01org/fMBT,01org/fMBT,01org/fMBT,mixu-/fMBT,mixu-/fMBT,mixu-/fMBT,01org/fMBT,mixu-/fMBT,01org/fMBT