check for Python 3.2

in setup.py and init

treats unsupported 3.x < 3.3 like unsupported 2.x
Fix ipconfig regex pattern

As suggested by @andjoely. Should be tested by Windows users without
netifaces installed.

Closes gh-5491
Add failing test for unbound method repr on Python 3
Use __qualname__ for pretty reprs where possible.

Closes gh-5566
Remove PyReadline as a install requirement on Windows
Remove the outdated keyboard shortcuts from notebook docs

Closes gh-5569

Backport to 2.x.
Fix rmagic for cells ending in comment.

Closes gh-5579

Simplest possible fix, because rmagic is being moved out to rpy2. But
it's not released there yet, so it's still worth fixing this.
reset readline after running PYTHONSTARTUP

should avoid conflicts between IPython and Python completions
more semantic icons
Merge pull request #5581 from takluyver/i5579

Fix rmagic for cells ending in comment.
remove auth and tree from ipython.less

@minrk said it's the right thing to do
Merge pull request #5506 from takluyver/i5491

Fix ipconfig regex pattern
use fixed-width icons, closes #5555
book icon for notebooks, color folders differently

This allows us to use the generic file icon for text files, etc, down
the line.
Update README.md

added instruction to `git checkout master` to activate the hooks and init/update the submodules.
add missing `browser` to notebook_aliases list
Merge pull request #5592 from minrk/browser-alias

add missing `browser` to notebook_aliases list
update components with marked-0.3.2
update install instructions to use --user for pip
Fixing bug #5607

Changed the method from extends to merge which merges the two arrays as
desired - With Freyert