Merge distro-specific patches upstream

[oxr463]

Notable Forks

• Debian
• Termux (See: PRoot and seccomp termux/proot#22)
  • Add support for Linux >= 4.8 Contains Android-specific functionality
• UDocker (See: https://github.com/jorge-lip/PRoot/tree/udocker-1.1.1)
  • proot_event.patch (See: SEGSEGV with recent kernel and seccomp #106 (comment)) Slightly different than version submitted in patch for seccomp #130
  • proot_temp.patch
• proot-android.patch, (See: proot assumes write access to certain directories #93). NEEDS WORK
• openmole
  • Fix seccomp filters

This is an attempt to find all of the most popular offshoots of PRoot and merge any helpful patches found. If you know if any, please add them below in a comment.