OpenBSD/ports mpJy8mIlang/python Makefile.inc, lang/python/2.7 Makefile

   python tweaks;

   - sync WANTLIB
   - use do-gen instead of post-patch for the "subst and regen
   autoconf files" target
   - ALL_TARGET needs setting differently between 2.7 and 3.x;
   rather than checking against 3.6 for "all", check against 2.7
   for "all ./Lib/plat-openbsd6". needed for newer 3.x.
VersionDeltaFile
1.128+8-7lang/python/Makefile.inc
1.60+3-1lang/python/2.7/Makefile
1.18+3-1lang/python/3.6/Makefile
1.12+1-2lang/python/2.7/pkg/PLIST-tools
+15-114 files

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