MFT: VC10 build support

- MFH: vs2010 detection support, restore /W3

Set WINVER to Windows 2000 like in config.w32.h.in

- add custom DLL to the package and fix the path to the deps bin (needs absolute path in some cases)

- restore W3 flag to get usefull errors (unused vars, etc.)

- fix object dir usage (ie: relative path called from a symlinked dir), also fix nmake test for similar cases

MFH:
Restored double->long conversion behavior to that of PHP 5.2 (on most platforms) and prior:
* Out-of-range numbers overflow/preserve least significant bits (no LONG_MAX/MIN limit)

MFH:
Restored double->long conversion behavior to that of PHP 5.2 (on most platforms) and prior:
* Out-of-range numbers overflow/preserve least significant bits (no LONG_MAX/MIN limit)
* See bug #42868 (presumably-rare platform with different results in 5.2)
* On 32-bit platforms with 64-bit long type, a zend_long64 cast has been added,
otherwise it's the same as 5.2
* Use this conversion method everywhere instead of some plain (long) casts

Added 'L' parameter parsing specifier to ensure a LONG_MAX/MIN limit:
* Essentially what 5.3's new conversion was doing in most cases
* Functions with "limit" or "length" type params could be updated to use this,
and prevent confusing overflow behavior with huge numbers (*also* in 5.2)
- See bug #47854, for example; or even #42868 again

# Test updates coming

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- make MP survive --disable-all (=disable to disable it)

- fix logic

- allow to set or disable the multithreaded build (n, auto or disable)

Fixed floating point mathematic speed degradation (Christian)

MFH: Windows support for stream_socket_pair(), by moving the socketpair() implementation from ext/sockets to win32/

- add fnmatch() support on windows (C API), using the BSD implementation

Build IDs

- add multi threaded build support (automatic detection of the number of cpus, add a custom number if you prefer to use only a few of your available cores)

- add DNSApi for the DNS functions

- MFB:
- usual suspects must be in the default include/lib path (thx Rob for the notice!)
- fix the --wtih-php-build doc, remove dead url, update the name of the deps dir

- MFH: the config summary is a must, do not allow to disable it

- MFH: no need to look for bindlib_w32, not used anymore

- fix builds for VC8+, strnlen is available in vc8 and later (used in spprintf.c)

- MFH:
- expose PHP_BUILD in the Makefile
- ICU 3.8/4.0 are dynamically linked, add $PHP_BUILD\bin to the PATH so php.exe can find them (nmake test, nmake snaps)

- add strto*i64 (VC6, decent compilers/crt have them)

- add nts to the zip names

- MFH: add VC version and architecture to the created zip(s) names

- MFH:
- drop bindlib usage on windows
- inet_pton, inet_ntop and inet_aton are always available (VC9 uses the CRT implementation, VC6 our own)