add notebook + better dependencies in setup.py

Author: rflamary

examples/Demo_2D_OTmapping_DomainAdaptation.ipynb

@@ -11,7 +11,7 @@
 
 #%% dataset generation
 
-np.random.seed(0)
+np.random.seed(0) # makes example reproducible
 
 n=100 # nb samples in source and target datasets
 theta=2*np.pi/20

examples/demo_OTDA_mapping.py

@@ -11,7 +11,7 @@
 
 here = path.abspath(path.dirname(__file__))
 
-# dirty but working 
+# dirty but working
 __version__ = re.search(
     r'__version__\s*=\s*[\'"]([^\'"]*)[\'"]',  # It excludes inline comment too
     open('ot/__init__.py').read()).group(1)
@@ -48,8 +48,8 @@
       license = 'MIT',
       scripts=[],
       data_files=[],
-      requires=["numpy (>=1.11)","scipy (>=0.17)","cython (>=0.23)","matplotlib (>=1.5)"],
-      install_requires=["numpy (>=1.11)","scipy (>=0.17)","cython (>=0.23)","matplotlib (>=1.5)"],
+      requires=["numpy","scipy","cython","matplotlib"],
+      install_requires=["numpy","scipy","cython","matplotlib"],
       classifiers=[
         'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',