Review dependencies for tests etc

[kotfic]

ipykernel 4.6.1 seems to be causing trouble when testing - forcing us to (temporarily) peg to 4.5.2 in setup_requires.

(gnbtmp) kotfic@minastirith:~/tmp/geonotebook ⇒ tox -vv -e flake8  
  removing /home/kotfic/tmp/geonotebook/.tox/log
using tox.ini: /home/kotfic/tmp/geonotebook/tox.ini
using tox-2.4.1 from /home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/tox/__init__.pyc
GLOB start: packaging 
GLOB sdist-make: /home/kotfic/tmp/geonotebook/setup.py
  /home/kotfic/tmp/geonotebook$ /home/kotfic/.venvs/gnbtmp/bin/python2 /home/kotfic/tmp/geonotebook/setup.py sdist --formats=zip --dist-dir /home/kotfic/tmp/geonotebook/.tox/dist >/home/kotfic/tmp/geonotebook/.tox/log/tox-0.log
ERROR: invocation failed (exit code 1), logfile: /home/kotfic/tmp/geonotebook/.tox/log/tox-0.log
ERROR: actionid: tox
msg: packaging
cmdargs: ['/home/kotfic/.venvs/gnbtmp/bin/python2', local('/home/kotfic/tmp/geonotebook/setup.py'), 'sdist', '--formats=zip', '--dist-dir', local('/home/kotfic/tmp/geonotebook/.tox/dist')]
env: None

setup.py entered
$PATH=/home/kotfic/.venvs/gnbtmp/bin:/home/kotfic/.local/bin:/home/kotfic/.dot/bin:/home/kotfic/bin:/home/kotfic/.local/bin:/home/kotfic/.dot/bin:/home/kotfic/bin:/usr/lib/hardening-wrapper/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/opt/spark/bin:/home/kotfic/.rvm/bin:/opt/spark/bin:/home/kotfic/.rvm/bin
Searching for notebook
Best match: notebook 5.0.0
Processing notebook-5.0.0-py2.7.egg

Using /home/kotfic/tmp/geonotebook/.eggs/notebook-5.0.0-py2.7.egg
Searching for ipykernel
Reading https://pypi.python.org/simple/ipykernel/
Downloading https://pypi.python.org/packages/0c/41/67e16b243b78b49f4b1650d045b63be187c27d20a76f0f7b8e61e0fcb966/ipykernel-4.6.1.tar.gz#md5=1b320ff87a1a0b049e83df2de91b7f7c
Best match: ipykernel 4.6.1
Processing ipykernel-4.6.1.tar.gz
Writing /tmp/easy_install-xRLMey/ipykernel-4.6.1/setup.cfg
Running ipykernel-4.6.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-xRLMey/ipykernel-4.6.1/egg-dist-tmp-uESs6U
Traceback (most recent call last):
  File "setup.py", line 314, in <module>
    "ktile = geonotebook.vis.ktile:Ktile"
  File "/usr/lib64/python2.7/distutils/core.py", line 111, in setup
    _setup_distribution = dist = klass(attrs)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/dist.py", line 336, in __init__
    self.fetch_build_eggs(attrs['setup_requires'])
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/dist.py", line 419, in fetch_build_eggs
    replace_conflicting=True,
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/pkg_resources/__init__.py", line 854, in resolve
    dist = best[req.key] = env.best_match(req, ws, installer)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1126, in best_match
    return self.obtain(req, installer)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/pkg_resources/__init__.py", line 1138, in obtain
    return installer(requirement)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/dist.py", line 491, in fetch_build_egg
    return cmd.easy_install(req)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 672, in easy_install
    return self.install_item(spec, dist.location, tmpdir, deps)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 698, in install_item
    dists = self.install_eggs(spec, download, tmpdir)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 879, in install_eggs
    return self.build_and_install(setup_script, setup_base)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 1118, in build_and_install
    self.run_setup(setup_script, setup_base, args)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 1104, in run_setup
    run_setup(setup_script, args)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 257, in run_setup
    raise
  File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
    self.gen.throw(type, value, traceback)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 199, in setup_context
    yield
  File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
    self.gen.throw(type, value, traceback)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 170, in save_modules
    saved_exc.resume()
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 145, in resume
    six.reraise(type, exc, self._tb)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 158, in save_modules
    yield saved
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 199, in setup_context
    yield
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 254, in run_setup
    _execfile(setup_script, ns)
  File "/home/kotfic/.venvs/gnbtmp/lib/python2.7/site-packages/setuptools/sandbox.py", line 49, in _execfile
    exec(code, globals, locals)
  File "/tmp/easy_install-xRLMey/ipykernel-4.6.1/setup.py", line 91, in <module>
    os.path.join(node_root, 'node_modules', '.bin'),
  File "/tmp/easy_install-xRLMey/ipykernel-4.6.1/ipykernel/__init__.py", line 2, in <module>
  File "/tmp/easy_install-xRLMey/ipykernel-4.6.1/ipykernel/connect.py", line 13, in <module>
ImportError: No module named IPython.core.profiledir