Merge branch 'debian' into debian-release0.3

* debian: (25 commits)
  Setting both HOME and MPLCONFIGDIR while building documentation (slipped through fingers somehow) (Close: #580727).
  minor changes in descriptions
  depend on unversioned libboost-dev
  changelog entry
  build docs after modules
  additional build-depends
  NF: adding a patch to site.cfg to use system libraries
  BF: pruning forgotten cdbs build-dep
  updating changelog for the release
  BF: add scipy to build-dep due to unittests
  BF: avoiding nested examples directory
  adjustments to debian/control -- cython, descriptions
  might to be complete dh setup
  adding documentation to be installed
  working on dh version of packaging
  BF: adding copyright on sphinxext
  BF: jquery link is relevant for -doc
  BF: remove generated datasets/__config__.py upon clean:
  BF: adding build-dep on python-setuptools
  ENH: remove scikits/__init__.py upon installation
  ...