Merge pull request #4 from cythoplazma/master

Pull request.
Exclude regression-other.py and classification-other.py from regression testing.
Freeviz test results have changed due to bf5cc6bd10.
Fix an OverflowError in Orange/data/preprocess/scaling.py on 32 bit platforms.

The error was introduced in bf5cc6bd10b
Another changed results for freeviz-classify.py script.
Show short status messages in the canvas.
Initialize the 'varType' field for unknown string values.

When reading an unknown/special value from a file the 'varType' was
left with the default NONE value type code. This would later cause
comparison between an unknown value and a known value to fail with a
type error.
Added a startup scheme for Functional Genomics Workshop.
Close the QNetworkReply instance after reading.
Changed docs root url host to 'orange.biolab.si'.