Sync ACPICA with Intel's version 20150818.

Sync ACPICA with Intel's version 20150818.

* Disassembler and debugger are now standalone components without
  cross-component dependencies.

* Various fixes: BZ 1186, BZ 1192, BZ 1135, BZ 1015, BZ 794, BZ 1176,
  BZ 1185, BZ 1184, BZ 1188, BZ 1190, BZ 1187, BZ 1189, BZ 1191.

* More small fixes without BZ IDs.

* In the debugger, "objects" without arguments now displays a summary
  of the current namespace objects.

* In acpinames(8), the new -x option can be used to set the debug level,
  just like in acpiexec(8).

* aapits test has been removed.