Added function opcache_is_script_cached(). (Danack)
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Added function opcache_is_script_cached(). (Danack)

Conflicts:
	NEWS
Updated opcache version
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Updated opcache version
Added information about interned strings usage
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Added information about interned strings usage

Conflicts:
	NEWS
C89 compat
Mitigate client-initiated SSL renegotiation DoS
Merge branch 'reneg-limit' of https://github.com/rdlowrey/php-src into PHP-5.6

* 'reneg-limit' of https://github.com/rdlowrey/php-src:
  Mitigate client-initiated SSL renegotiation DoS
Update NEWS/UPGRADING with openssl additions
Fix build against older OpenSSL libs
More openssl UPGRADING updates
fix linkage

"extern inline" looks like tricky case for portability, but extern
is required with VS. So reduce the case to a starndard one to avoid
unporbatibily.
We can't dereference dbh if it is NULL
Make sure value is initialized
Merge branch 'PHP-5.4' into PHP-5.5
Merge branch 'PHP-5.5' into PHP-5.6
add clear_env option to FPM config

This makes it possible to leave the envoronment as is on startup and
pass all the variables to the workers.
The default value of clear_env is "yes", preserving previous behaviour.
Patch by Paul Annesley.
fixed macro
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  fixed macro