Split installation targets into install-bin and install-doc.
install-bin will only install the program, and install-doc will install
the documentation. The main install target still installs both.
#!/bin/shhghg -qhg helphg -q helphg add -hhg add --skjdfkshg help diffhg help statushg -q help statushg help foohg skjdfksexit 0