Add openssl 1.0.1h
Remove obsolete 'slogin'

As pointed out by Hiroshi Shirosaki, there is a /bin/slogin.exe instead.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Merge pull request #223 from shirosaki/upgrade_openssl

Upgrade msys openssl
Update OpenSSL to version 1.0.1h

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>