move unminified js to external/js

and exclude it from MANIFEST, so it will not be in sdists,
only available in the repo / via release tag.

IPython/external/js/README

@@ -1,15 +1,15 b''
 We use minified versions of JQuery / jQueryUI and google-code-prettify in the Notebook.
 
-Some package managers require full versions alongside minified, and they can be
-dropped in here, if necessary.
+Some package managers require full versions alongside minified,
+and they can be dropped in here as necessary.
 
 origins of our minified js:
 prettify:  http://google-code-prettify.googlecode.com/files/prettify-small-1-Jun-2011.tar.bz2
 jQuery-1.7.1: http://code.jquery.com/jquery-1.7.1.min.js
 jQueryUI menubar branch checkpoint: (generated by ant build from the source tree)
 
 And their unminified counterparts:
 prettify:  http://google-code-prettify.googlecode.com/files/prettify-1-Jun-2011.tar.bz2
 jQuery-1.7.1: http://code.jquery.com/jquery-1.7.1.js
 jQueryUI version we ship: https://github.com/jquery/jquery-ui/tarball/ba8f147e4d69948aff4e956333098fb9360e3865
 and the menubar branch in general: https://github.com/jquery/jquery-ui/tree/menubar

MANIFEST.in

@@ -1,37 +1,38 b''
 include README.rst
 include ipython.py
 include setup2.py
 include setup3.py
 include setupbase.py
 include setupegg.py
 
 graft setupext
 
 graft scripts
 
 # Load main dir but exclude things we don't want in the distro
 graft IPython
 prune IPython/deathrow
+prune IPython/external/js
 prune IPython/frontend/html/notebook/static/mathjax
 
 # Include some specific files and data resources we need
 include IPython/.git_commit_info.ini
 include IPython/frontend/qt/console/resources/icon/IPythonConsole.svg
 
 # Documentation
 graft docs
 exclude docs/\#*
 exclude docs/man/*.1.gz
 
 # docs subdirs we want to skip
 prune docs/attic
 prune docs/build
 prune docs/gh-pages
 prune docs/dist
 
 # Patterns to exclude from any directory
 global-exclude *~
 global-exclude *.flc
 global-exclude *.pyc
 global-exclude *.pyo
 global-exclude .dircopy.log