added basic descriptions of .spec file.

Now we can make a hathold server RPM package.
The next step we have to make Makefile.am for installing files
for client.
fixed Makefile.am to install hatohol client by make install.

This fix installs the client under
<prefix>/libexec/hatohol/client
Merge branch 'issue14' of github.com:project-hatohol/hatohol into issue14