service: start automatically on boot

rename service from "pnfs client" to "NFSv4.1 Client" to match installer

Signed-off-by: Casey Bodley <cbodley@gmail.com>
vc10: compile nfs_mount as unicode

driver expects mount options to be unicode

Signed-off-by: Casey Bodley <cbodley@gmail.com>
installer: NSIS scripts for x86 and x64

created two separate installers to avoid embedding both versions of vcredist.exe and certmgr.exe.  to create an installer, first place all of the required files in the installer.x* directory, then compile the .nsi script with NSIS from http://nsis.sourceforge.net/

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>