fix example6: missing arg to defaultCertificateVerifier::verify
Merge pull request #18 from mabrand/fix-no-tls

exclude defaultCertificateVerifier.cpp unless VMIME_HAVE_TLS_SUPPORT
Merge pull request #16 from mabrand/master-fix-example

Fixed example6: missing arg to defaultCertificateVerifier::verify().
Fixed issue #17.
Updated copyright year and maintainer email address.
Removed unused includes for OpenSSL.
Better test for stream state.
Renamed TYPE_BOOL to avoid name collision on MacOS.
Moved includes to fix compilation issue.
Fixed script for MacOS X.
Gives access to X.509 certificate underlying structure.
Updated book. Added build target for HTML using HeVeA.
Check for localtime_r and gmtime_r at build instead of testing _REENTRANT. Use localtime_s and gmtime_s on Windows, if available.
Fixed linking with pthread library.
Additional MDN fields (thanks to Mehmet Bozkurt).
Link with "ws2_32" library on Windows, if available.
Fixed issue #23. Avoid additional queries if gethostname() is already a FQDN. Use getaddrinfo() instead of gethostbyname() for IPv6 compatibility.
Check for MLang on Windows platform.
Added missing includes.
Fixed invalid use of freed memory.