Proper packaging

Now make test looks like:

~/Desktop/github/vimap (proper_packaging) $ make test
tox
GLOB sdist-make: /Users/striglia/Desktop/github/vimap/setup.py
py26 inst-nodeps: /Users/striglia/Desktop/github/vimap/.tox/dist/vimap-0.1.1.zip
py26 runtests: commands[0] | /Users/striglia/Desktop/github/vimap/.tox/py26/bin/python -m testify.test_program tests --exclude-suite=disabled --summary
..................Easy performance test efficiency: 73.4% (1.5x speedup)
............
========================================================================
FAILURES
None!

PASSED.  30 tests / 12 cases: 30 passed, 0 failed.  (Total test time 30.56s)
py27 inst-nodeps: /Users/striglia/Desktop/github/vimap/.tox/dist/vimap-0.1.1.zip
py27 runtests: commands[0] | /Users/striglia/Desktop/github/vimap/.tox/py27/bin/python -m testify.test_program tests --exclude-suite=disabled --summary
..................Easy performance test efficiency: 73.7% (1.5x speedup)
............
========================================================================
FAILURES
None!

PASSED.  30 tests / 12 cases: 30 passed, 0 failed.  (Total test time 22.27s)
__________________________________________________________________________________________________________________________________ summary ___________________________________________________________________________________________________________________________________
  py26: commands succeeded
  py27: commands succeeded
  congratulations :)