IPython/Extensions/astyle.py: Do a relative import of ipipe, so that...
IPython/Extensions/astyle.py: Do a relative import of ipipe, so that
we don't get a duplicate ipipe module, where registration of the xrepr
implementation for Text is useless.
IPython/Extensions/ipipe.py: Fix __xrepr__() implementation for ils.
IPython/Extensions/ibrowse.py: Fix keymapping for the enter command.