installer: Add an icon to start the environment in MSYS mode

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
installer: Add msys-gcc as a recommended package

This is in order to build MSYS packages. However, as our focus is on
the mingw32 subsystem, the package is not required.

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
installer: Add packages needed to build msys-openssl

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Add an msysport file for msys-openssl

Signed-off-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Add a package description file for msys-openssl

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
installer: Minor reformatting of the list of package names

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
installer: Add packages needed to build msys-openssh

mingw32-gettext is required for "autopoint", but also when building Git
without "NO_GETTEXT = YesPlease".

Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Add an msysport file for msys-openssh (without sshd)

The HPN-Patches from http://www.psc.edu/index.php/hpn-ssh are also included.

Signed-off-by: Thomas Braun <thomas.braun@virtuell-zuhause.de>
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
fixup! installer: Add packages needed to build msys-openssh