Removed ipython from build-depends and suggested it for the binary

debian/changelog

 scikit-learn (0.9.0.dfsg-1) unstable; urgency=low
 
-  * New upstream release: renamed module to sklearn,
+  * New upstream release:
+    - renamed module to sklearn,
       scikits.learn adapter was provided to ease migration
+    - there is no strict dependency on IPython any longer.  Thus removed
+      IPython from build-depends and Suggest it now for binary package
+      (Closes: #636472)
   * Enabled all unittests and ignored failures on doctests:
     https://github.com/scikit-learn/scikit-learn/issues/401
   * Adjusted debian/copyright to be fresh DEP5-compliant

debian/control

@@ -3,7 +3,7 @@ Section: python
 Priority: optional
 Maintainer: NeuroDebian Team <team@neuro.debian.net>
 Uploaders: Yaroslav Halchenko <debian@onerussian.com>, Michael Hanke <michael.hanke@gmail.com>
-Build-Depends: debhelper (>= 7.0.50), python-all-dev (>= 2.5), python-support (>= 0.6), python-numpy, python-scipy, libsvm-dev (>= 2.84.0), python-sphinx (>= 1.0~), graphviz, python-nose, python-setuptools, cython (>= 0.12~), python-matplotlib, ipython, swig, python-joblib (>= 0.4.5)
+Build-Depends: debhelper (>= 7.0.50), python-all-dev (>= 2.5), python-support (>= 0.6), python-numpy, python-scipy, libsvm-dev (>= 2.84.0), python-sphinx (>= 1.0~), graphviz, python-nose, python-setuptools, cython (>= 0.12~), python-matplotlib, swig, python-joblib (>= 0.4.5)
 Standards-Version: 3.9.2
 XS-Python-Version: >= 2.5
 Homepage: http://scikit-learn.sourceforge.net
@@ -19,7 +19,7 @@ Depends: ${misc:Depends}, ${python:Depends}, python-numpy, python-scipy, python-
 Provides: ${python:Provides}
 XB-Python-Version: ${python:Versions}
 Recommends: python-nose, python-psyco, python-matplotlib, python-joblib (>= 0.4.5)
-Suggests: python-dap, python-scikits-optimization, python-sklearn-doc
+Suggests: python-dap, python-scikits-optimization, python-sklearn-doc, ipython
 Enhances: python-mvpa2, python-mdp
 Description: Python modules for machine learning and data mining
  scikit-learn is a collection of Python modules relevant to