Improved chr() function. Use FAST_ZPP, use interned strings.
Improved array_diff() function (use simple and more efficient algorithm).
Improves strtotime() function.
C89 compat
fixed tests
Simplify condition
don't sort array with single element
Enabled JIT for preg_split(). Use better zend_hash_*() functions.
Improved setlocale(). Eliminated locale comparison in ext/pcre if it's not necessary.
Avoid NULL pointer dereferencing
Fixed memory leaks
Fix bug #67111

Loop variables need to be freed for both "break" and "continue".

I'm adding the test to Zend/ because it's good to have a test for
this even without opcache.
Merge branch 'PHP-5.5' into PHP-5.6
Merge branch 'PHP-5.6'

Conflicts:
	ext/opcache/Optimizer/pass2.c
Make it inline
Allow arrays with define(), to match const syntax support
UPGRADING and NEWS cleanups
Unify HTTP status code maps
Use "float" and "integer" in typehint and zpp errors
fix zts build on mac/clang