Update email addresses. We're still @Zend, but future proofing it...

Added new line

Trim trailing whitespace in source code files

Make PHP development tools files executable

This patch makes few remaining PHP development tools files
executable and adds a shebang to them.

The `#!/usr/bin/env php` shebang pr

Make PHP development tools files executable

This patch makes few remaining PHP development tools files
executable and adds a shebang to them.

The `#!/usr/bin/env php` shebang provides running the script via
`./script.php` and uses env to find PHP script location on the system.
At the same time it still provides running the script with a user
defined PHP location using `php script.php`. Shebang is not visible in
the output of the generated file.

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Fixed support for commutative "user opcodes"

Added missing define

Fix typos in code comments

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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Better hot/cold code splitting

Inline few small opcode handlers into hybrid executor

Embed zend_leave_helper() into hybrid executor to avoid call overhead.

Fixed ISSET/ISEMPTY bit meaning to simplify run-time checks

Marked rarely used opcodes as "cold" (e.g. ADD_CONST_CONST ususaly optimized out).

Fixed conditions

Use "fastcall" calling convention

Remove "hot" mark from JMP(Z|NZ|ZNZ) with IS_CONST operand

Allow extra specialisation for ISSET/ISEMPTY handlers

Reduce overhead of extra-specialization for opcode handler selection.

Merge branch 'PHP-7.2'

* PHP-7.2:
Fixed user-opcode support

Fixed user-opcode support

Allow generation of VM map

Mark exceptional helpers as "cold"

fix ZEND_VM_SET_OPCODE_HANDLER cannot set user opcode handler

Fixed typo

Added VM instrumentation ability