osh-20140410

The latest official release of osh is available via:

In Makefile, this release changes MOXARCH to OSXCFLAGS and OSXLDFLAGS to play better with MacPorts. In osh.1, it adds a missing (+) to version in Special commands. In osh.c, it enables . and source special built-in command execution to succeed when the user invokes the shell as osh -c string.