[RTL] Avoid some corner case ASSERT's in heap.c and fix heap allocations larger than MAXUSHORT. (#5750)

CORE-18196

With most code copied from Thomas Faber's PR #4915 as follows:
[RTL] Correctly

[RTL] Avoid some corner case ASSERT's in heap.c and fix heap allocations larger than MAXUSHORT. (#5750)

CORE-18196

With most code copied from Thomas Faber's PR #4915 as follows:
[RTL] Correctly initialize segments larger than MAXUSHORT.
GuardEntry->PreviousSize would overflow in this case.
RtlpInsertFreeBlock already handles this correctly by creating multiple free entries.
So we just let it return the last entry and use that for the PreviousSize.

This does not include all of the ASSERT's in PR #4915.

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[RTL] Implement RtlGetProcessHeaps

[NDK][NTDLL][RTL] RtlCreateTagHeap(): Fix types and annotations

According to
https://processhacker.sourceforge.io/doc/ntrtl_8h.html

[RTL] Improve performance by introducing a hint array for free entries

The array is there for the entries smaller than the decommit threshold, the rationale
being that entries which are larger will

[RTL] Improve performance by introducing a hint array for free entries

The array is there for the entries smaller than the decommit threshold, the rationale
being that entries which are larger will likely be split for honoring other allocations
or be coalesced and eventually decommitted.

This with the previous commits make a huge perf boost to memory-intensive applications like cmake

CORE-15793

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[SDK:RTL] Track the end of uncommitted ranges thanks to a "Guard" entry that we put at the end of each committed page

This avoids busy loop to get the last valid entry of the previous committed rang

[SDK:RTL] Track the end of uncommitted ranges thanks to a "Guard" entry that we put at the end of each committed page

This avoids busy loop to get the last valid entry of the previous committed range when committing a new one.

CORE-15793

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[RTL] Fix heap usage flags

- Use Heap->ForceFlags where needed
- Use passed-in flags instead of the heap flags in some places
- Do not recursively acquire the heap lock

[RTL] Use LastEntryInSegment to speed up RtlpFindAndCommitPages. CORE-14588

[RTL] Add and populate LastEntryInSegment. CORE-14588

[SDK][RTL][NTDLL_APITEST] Add RtlMultipleAllocateHeap and RtlMultipleFreeHeap (#2641)

- Add RtlMultipleAllocateHeap and RtlMultipleFreeHeap functions (2k3+).
- Add a testcase for two functions.
CO

[SDK][RTL][NTDLL_APITEST] Add RtlMultipleAllocateHeap and RtlMultipleFreeHeap (#2641)

- Add RtlMultipleAllocateHeap and RtlMultipleFreeHeap functions (2k3+).
- Add a testcase for two functions.
CORE-12026

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[RTL][NTDLL] Add some function stubs

- LdrSetAppCompatDllRedirectionCallback
- RtlCancelTimer
- RtlCreateServiceSid
- RtlQueryProcessHeapInformation
- RtlQueueApcWow64Thread
- RtlSetTimer
- RtlUnhan

[RTL][NTDLL] Add some function stubs

- LdrSetAppCompatDllRedirectionCallback
- RtlCancelTimer
- RtlCreateServiceSid
- RtlQueryProcessHeapInformation
- RtlQueueApcWow64Thread
- RtlSetTimer
- RtlUnhandledExceptionFilter2
- RtlpNotOwnerCriticalSection

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[RTL] Fix GCC build.

[RTL] Protect pointer validity check in RtlFreeHeap with SEH.

Fixes crash in kernel32_winetest:heap.

Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

Create the AHCI branch for Aman's work

svn path=/branches/GSoC_2016/AHCI/; revision=71203