ENH: Describe the module in the Python package long description.

Describe the module in the Python package long description.

Take advantage of the chane to add additional keywords and make the
project's repository be the URL.

Author: jhlegarreta

setup.py

@@ -20,12 +20,13 @@
     package_dir={'itk': 'itk'},
     download_url=r'https://github.com/InsightSoftwareConsortium/ITKBoneMorphometry',
     description=r'An ITK module to compute bone morphometry features and feature maps',
-    long_description='ITK is an open-source, cross-platform library that '
-                     'provides developers with an extensive suite of software '
-                     'tools for image analysis. Developed through extreme '
-                     'programming methodologies, ITK employs leading-edge '
-                     'algorithms for registering and segmenting '
-                     'multidimensional scientific images.',
+    long_description='ITKBoneMorphometry provides bone analysis filters that '
+                     'compute features from N-dimensional images that '
+                     'represent the internal architecture of bone.\n'
+                     'Please refer to:'
+                     'Vimort J., McCormick M., Paniagua B.,'
+                     '“Computing Bone Morphometric Feature Maps from 3-Dimensional Images”, '
+                     'Insight Journal, January-December 2017, http://hdl.handle.net/10380/3588.',
     classifiers=[
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
@@ -46,8 +47,8 @@
         "Operating System :: MacOS"
         ],
     license='Apache',
-    keywords='ITK InsightToolkit',
-    url=r'https://itk.org/',
+    keywords='ITK InsightToolkit bones morphometry',
+    url=r'https://github.com/InsightSoftwareConsortium/ITKBoneMorphometry',
     install_requires=[
         r'itk>=5.0b01'
     ]