Okra 1.6.2.3 and clois-lane 1.2.0.3 released

Since I was finally able to figure out why CEGUI wouldn't work on Linux SBCL (thanks to pkhuong on #lisp) and since the Flock demo is more or less finished¹ I tagged the latest checkins of Okra and clois-lane and pushed them to Github. Here's a video of the Flock demo which can also be downloaded as a Windows executable from the Okra project page. [1] all the examples' code needs a good review and cleanup