Some cleanup, CSS image handling.
Fixed images, minor.
Use git to update orange in windows installer build script.
Cleanup windows installers build directory structure.
Fixed obsolete url.
Removed scrollTo markup.
Added special 'orange-sf' search path prefix.
Follow redirects in ImageLoader.

(this is equivalent to
biolab/orange3/e0d3990d5338993c65e609b130e7867fb4510b8e)
Explicitly remove items from layout before repositioning them.

Fixes a warning from Qt.
Fixed 2x Search init bug, added jquery 1.10.2 copy to static folder, added 'sticky footer' markup/css, pre overflow to auto.
Jquerified vars, removed unnecessary JS code, fixed up the sidebars for good.
Merge branch 'dev'
Merge branch 'master' of github.com:biolab/orange
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.