update MANIFEST.in

previously all subpackages were added to manifest manually, resulting
in packages becoming out of date, and being excluded from sdists.

Now, IPython itself is grafted, and deathrow pruned, resulting in a more future-safe MANIFEST file.

MANIFEST.in

@@ -5,18 +5,9 b' include setupegg.py'
 graft setupext
 
 graft scripts
-graft IPython/kernel
-graft IPython/config
-graft IPython/core
-# graft IPython/deathrow
-graft IPython/external
-graft IPython/frontend
-graft IPython/gui
-graft IPython/lib
-graft IPython/quarantine
-graft IPython/scripts
-graft IPython/testing
-graft IPython/utils
+
+graft IPython
+prune IPython/deathrow
 
 include IPython/.git_commit_info.ini
 
@@ -27,6 +18,7 b' exclude docs/man/*.1'
 # docs subdirs we want to skip
 prune docs/attic
 prune docs/build
+prune docs/gh-pages
 
 global-exclude *~
 global-exclude *.flc