Call tips are now positioned more intelligently: if a call tip below the current line would be outside the screen, it is positioned above the line instead.

* Added support for Ctrl-L per Fernando's request. * Fixed history storing empty commands. * Fixed long lines in ipythonqt

Fix subtle regular expression bug to treat '%foo?' correctly.

Fix broken example in %alias docstring ('all' is now a builtin)

Fix %magic, %prun and %pycat magics.

Get naked '?' to work, and in-spec with the new inputsplitter design.

Update production code to public names of raw_print functions.

Provide cleaner names for raw print utilities.

Merge branch 'newkernel' into upstream-newkernel Conflicts: IPython/frontend/qt/console/scripts/ipythonqt.py IPython/zmq/ipkernel.py

GUI support for wx, qt and tk.