Merge

8147937: Adapt SAP copyrights to new company name.
Reviewed-by: simonis, stuefe

8145184: [aix] Implement os::platform_print_native_stack on AIX
Reviewed-by: goetz

8140645: Recent Developments for AIX
Summary: Port recent developments from SAP for AIX to the OpenJDK
Reviewed-by: goetz

8079473: allow demangling to be optional in dll_address_to_function_name
Summary: add a demangling boolean argument to dll_address_to_function_name and decode
Reviewed-by: dholmes, simonis

6424123: JVM crashes on failed 'strdup' call
Summary: Calling os::malloc()/os::strdup() and new os::strdup_check_oom() instead of ::malloc()/::strdup() for native memory tracking purpose
Reviewed-by: coleenp, ctornqvi, kvn

8039805: Fix the signature of the global new/delete operators in allocation.cpp.
Reviewed-by: dholmes, lfoltan

8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
Reviewed-by: kvn