Merge branch 'PHP-5.6'

* PHP-5.6:
  Upgrade to PCRE 8.37 due to various bugfixes

Conflicts:
	ext/pcre/config.w32
	ext/pcre/config0.m4
	ext/pcre/pcrelib/pcre_jit_compile.c
	ext/pcre/pcrelib/sljit/sljitConfig.h
	ext/pcre/pcrelib/sljit/sljitConfigInternal.h
	ext/pcre/pcrelib/sljit/sljitLir.c
	ext/pcre/pcrelib/sljit/sljitLir.h
	ext/pcre/pcrelib/sljit/sljitNativeARM_32.c
	ext/pcre/pcrelib/sljit/sljitNativeARM_64.c
	ext/pcre/pcrelib/sljit/sljitNativeARM_T2_32.c
	ext/pcre/pcrelib/sljit/sljitNativeMIPS_common.c
	ext/pcre/pcrelib/sljit/sljitNativePPC_common.c
	ext/pcre/pcrelib/sljit/sljitNativeSPARC_common.c
	ext/pcre/pcrelib/sljit/sljitNativeTILEGX_64.c
	ext/pcre/pcrelib/sljit/sljitNativeX86_32.c
	ext/pcre/pcrelib/sljit/sljitNativeX86_64.c
	ext/pcre/pcrelib/sljit/sljitNativeX86_common.c
	ext/pcre/pcrelib/sljit/sljitUtils.c

diff --cc ext/pcre/pcrelib/ChangeLog
Simple merge

diff --cc ext/pcre/pcrelib/README
Simple merge

diff --cc ext/pcre/pcrelib/pcre_compile.c
Simple merge

diff --cc ext/pcre/pcrelib/pcre_exec.c
Simple merge

diff --cc ext/pcre/pcrelib/pcre_internal.h
Simple merge

diff --cc ext/pcre/pcrelib/pcre_study.c
Simple merge