Merge pull request #672 from dvvrd/robots

QReal:Robots 2.3.0 RC1

Version 1.9.4, release candidate for 2.0.0 (except icons).

To be presented in Tampere 08.11.2011

Merge branch 'master' of github.com:qreal/qreal

QReal:Robots 1.5.2, mainly working.

Release 1.5.0 (very unstable)

First public Linux version

Specifically requested fix for COM port enumerator.

tag for robots-1.0.0