meta-ruby: add empty layer

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
ruby: Add from OE-Classic

* No modifications in this commit
* MJ: PR reset, PRIORITY dropped, LICENSE fix, LIC_FILES_CHKSUMs added

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
ruby: update to 1.9.3-194

I sent this to oe-core but was told that it's not the right place and
was suggested to send here.

Most of the 1.9.3 patches originate from ruby-1.9.3.194-10.1.fc17.src.rpm

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>