[setup.py]: removed requirement pystallone

TODO

@@ -1,13 +1,11 @@
-* (pystallone) recover code to handle python lists as array
-
 * pre cythonized files blow up repo (ugly merge conflicts) - if we just require
   cython in a source install and ship binary packages for users too stupid to 
   provide a sane env, we can just preserve the use of complicated workarounds.
   -> require a stable appveyor build for win
   -> require a stable build for travis (first available when travis provides more mac builders)
 
   provide binaries:
-    for emma, pystallone, jpype:
+    for emma:
     write conda recipes for all
 
 * remove output cells of ipython notebooks and unify their history (we do not want to track output).

setup.py

@@ -217,7 +217,6 @@ def script_entry_points():
     # runtime dependencies
     install_requires=['numpy>=1.6.0',
                       'scipy>=0.11',
-                      'pystallone>=1.0.0b3',
                       'mdtraj',
                       'scikit-learn',
                       'psutil',
@@ -226,7 +225,7 @@ def script_entry_points():
 )
 
 # this is only metadata and not used by setuptools
-metadata['requires'] = ['numpy', 'scipy', 'pystallone']
+metadata['requires'] = ['numpy', 'scipy']
 
 # not installing?
 if len(sys.argv) == 1 or (len(sys.argv) >= 2 and ('--help' in sys.argv[1:] or