PCRE 8.35.0 Update

- Updated to PCRE 8.35 (latest, 2014-04-04)
- Updated Build files with new files and removed those that have
changed.
- Configured like previous configuration.
zlib patch for DEBUG pre-processor

Patch as described on zlib:
https://github.com/madler/zlib/pull/80
Merge pull request #554 from danoli3/zlib_debug_fixes

zlib patch for DEBUG pre-processor
#544 use _DEBUG instead of DEBUG macro in [Simple]HashTable
fix TypeHandler sample
Merge pull request #551 from danoli3/pcre_update_2014

PCRE updated to 8.35.0
renamed config.h to pcre_config.h, as was before integration of pcre 8.35
HAVE_STDINT_H=0 was not honored in pcre_internal.h
VS project files: do not share intermediate directory between projects in same folder
updated version to 1.5.4
Merge branch 'develop' of https://github.com/pocoproject/poco into develop
updated libversion to 24
minor cleanup for consistency with 1.4.7
fixed a warning
Added support for loading certificates and private key pairs from PKCS #12 files, as well as loading certificates (without private key) from PEM or DER files. Some code restructuring and cleanup.
updated README
Bug in doubleToStr #557