Move intdiv() UPGRADING entry to New Functions

Error on invalid octal (fixes PHPSadness #31)

Further error checks

Remove set_socket_blocking

Remove set_magic_quotes_runtime

And the alias magic_quotes_runtime

Remove string category support in setlocale()

Remove mktime() and gmmktime() $is_dst parameter

Remove for #-style comments in ini files

Remove static calls from incompatible $this context

Faster sorting algo

Faster strrpos implementation

Faster zend_memnstr for long text

Implemented FR #55428 (E_RECOVERABLE_ERROR when output buffering in output buffering handler)

## Can probably go in lower branches, but I'd like to keep it in
## master for now

Don't count variadic argument in zend_func.common.num_args. This allows faster CALL/RETURN code.

Use "float" and "integer" in typehint and zpp errors

UPGRADING and NEWS cleanups

Allow arrays with define(), to match const syntax support

More UPGRADING, NEWS

UPGRADING for Unicode Codepoint Escape Syntax

add more BC breaks

add BC breaks from PHPNG RFC

small fixes to UPGRADING

Update UPGRADING for the new variadic functions, and re-sort.

Conflicts:
ext/date/php_date.c

Merge branch 'pull-request/877'

* pull-request/877:
gmp_random_seed()

FPM: change "listen = port" behavior from IPv4 catch-all to IPv6 catch-all (+ IPv4-mapped)