Reproduce #106
Recover `zconf.h` files from https://github.com/numenta/nupic/commit/1e609368485dfbcb48
Remove reproduction of #106 after fixed it
Merge pull request #111 from utensil/106-recover-zonf

Recover `zconf.h` in `external`
Merge branch 'master' of https://github.com/numenta/nupic.core into 103-friendly-to-windows