Fixed windows port for MingW
fixing crash (issue #524)
Fixed other 64-bit time_t crash
Implemented ec_ctime from Gisle Vanem, removed double expand_token function
system provided libnet detection for FreeBSD
corret little license typo in FindLIBNET.cmake
check for standalone libiconv if not built in libc
Merge pull request #533 from koeppea/freebsd-libnet-detection

system provided libnet detection for FreeBSD
Merge pull request #534 from koeppea/freebsd-iconv-detection

check for standalone libiconv if not built in libc
Merge pull request #517 from LocutusOfBorg/windows-port

Fixed windows port for MingW