rds-command-line-tools: use versioned download

Closes #17190.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
node 0.8.18

Closes #17193.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
libpurple: add libgcrypt as a build-time dep so that finding gnutls works

Closes #17187.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
NZBGet 9.1

Closes #17188.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Wine --devel upgraded to 1.5.22

This version includes the new experimental Mac driver which means it can be
run without X11. As the driver is still incomplete and buggy X11 is still the
default and instructions on how to switch are included in caveats.