Release v1.1.1

• More permissive check for page allocation mmap (#25)
• Flush instruction cache for arm64. It does nothing for intel CPU.
• Disassember engine
  • Upgrade capstone to 4.0.2
  • Upgrade distorm to 3.5.2
• CMake
  • Allow user to specify FUNCHOOK_CPU explicitly (#19)
  • Avoid polluting global include and link dirs (#20)
  • Use target based compile options for gcc's -Wall (#21)
  • Use ExternalProject_add to download captone only (#30)
  • Add option FUNCHOOK_INSTALL (#31)
  • Use "FUNCHOOK_CPU MATCHES " (#32)
• Documentation
  • added example usage from python (#22)
• Fix tests on Android (#29)